JAMB UTME - Computer Studies - 2022

Computer software can be classified into how many parts?

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Computer software can be classified into two main parts: system software and application software. 1. System software: This type of software includes the programs that control the hardware components of a computer system and provide a platform for running other software applications. Examples of system software include operating systems, device drivers, utility programs, and firmware. 2. Application software: This type of software is designed to perform specific tasks or functions for the user. Application software can be further classified into two subcategories: general-purpose applications and specialized applications. Examples of general-purpose applications include word processors, spreadsheets, and web browsers, while examples of specialized applications include graphics software, database software, and video editing software. In summary, computer software can be classified into two main parts: system software and application software. The system software controls the hardware and provides a platform for running other software applications, while application software is designed to perform specific tasks or functions for the user.

What is a computer file.

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A computer file is a place on a computer where information is stored in a package. A file can contain many different types of information, including text, images, audio, video, and executable programs. The information in a file is organized in a specific format, and the file can be opened and edited using appropriate software. For example, a text file contains plain text, while a Word document file contains formatted text and other elements like images and tables. A file is often saved with a specific name and extension that identifies the type of file and the type of information it contains. The extension is the part of the file name that comes after the dot, such as ".txt" for a plain text file or ".docx" for a Microsoft Word document file.

The process of feeding instructions into the computer system is called

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The process of feeding instructions into a computer system is called "inputting." It involves providing data, commands, or other types of information to a computer system so that it can process and execute the instructions. When you input data or commands into a computer system, you typically use an input device such as a keyboard, mouse, or microphone to provide the information. The computer then processes the input data using its internal logic and algorithms, and generates an output based on the instructions it received. For example, when you type a document using a keyboard and input the data into a word processing software, the computer processes the text and generates an output in the form of a document that you can save, print, or share. In summary, inputting is the process of providing information or instructions to a computer system, which is then processed and executed by the computer to generate an output.

The java interpreter translates a java program from ____________ to machine language.

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The Java interpreter translates a Java program from its original form, which is a high-level programming language, into a special type of code called "bytecode." Bytecode is a low-level code that is specific to the Java Virtual Machine (JVM), which is a software layer that sits between the Java program and the computer's hardware. When a Java program is compiled, it is translated into bytecode rather than machine language. Bytecode is a form of binary code that is designed to be portable across different platforms, meaning that it can run on any computer that has a JVM installed, regardless of the specific hardware or operating system. So, to summarize, the Java interpreter translates a Java program from a high-level programming language into bytecode, which is a low-level binary code that is specific to the JVM. The bytecode can then be executed by the JVM on any computer that has it installed.

What differs a system software from application software?

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System software and application software are two broad categories of computer software, each with different functions and purposes. System software is a collection of programs that control and manage the basic operations of a computer system. It is designed to provide a platform for other software applications to run on. System software includes operating systems, device drivers, utilities, and other tools that enable the computer to operate and perform its functions. On the other hand, application software refers to programs that are designed to perform specific tasks or applications for the user. These programs are used for word processing, spreadsheets, photo editing, web browsing, and other specialized tasks. Application software is often created by third-party developers and can be installed and used by end-users. The main difference between system software and application software is the purpose they serve. System software is responsible for managing the hardware and providing a platform for other software to run on, while application software is designed to perform specific tasks for the user. Other differences between system software and application software include: - Ability to multi-task: System software is designed to manage and allocate system resources, while application software is designed to perform specific tasks. Therefore, system software has more multitasking capabilities than application software. - Minimal in terms of space: System software is usually larger in terms of size and requires more storage space than application software. - Presence of cache memory: System software may use cache memory to improve the performance of the computer system, while application software does not typically use cache memory. - Unique programs installed by the creators to help run the computer: System software includes programs that are installed by the computer manufacturer or operating system developer to help run the computer, such as device drivers and system utilities. Application software does not include these types of programs.

Computer softwares like ios, Ubuntu, Chrome OS, are classified as ___________

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Computer softwares like iOS, Ubuntu, Chrome OS are classified as operating systems, also known as system software. An operating system is a type of software that acts as the backbone of a computer, managing its resources and allowing other software to run on it. It controls the hardware, such as the CPU, memory, and storage, and provides a platform for other software to run on. This includes basic functions like managing files, running applications, and providing access to the internet. In short, the operating system is what makes a computer work and provides a foundation for other software to run on.

Which of these is not a programming language

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ios is not a programming language. HTML, Java, and C++ are all programming languages, while ios is an operating system created by Apple Inc. for its mobile devices, such as the iPhone and iPad. Programming languages are used to write computer programs, while operating systems provide a platform for those programs to run on.

Another word for booting is

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Another word for booting is "starting". Booting refers to the process of turning on a computer or device and initiating the operating system so that it is ready to run applications and perform other tasks. During the boot process, the computer performs a series of operations, such as checking hardware components, initializing software, and loading system files into memory. Once this process is complete, the computer is considered "started" and the user can begin using it. Therefore, starting is an appropriate alternative term for booting.

System software has which major function?

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System software has the major function of controlling and managing the computer system. It is a type of software that acts as an intermediary between the computer hardware and the user applications. System software is responsible for coordinating the activities and sharing of resources of the computer hardware, such as the central processing unit (CPU), memory, and storage. It also provides basic services for other software, such as file management, security, and memory management. Examples of system software include operating systems, device drivers, and utility programs. The primary goal of system software is to provide an environment for the smooth and efficient operation of the computer and its components.

The delete permission allows one to ____________

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The delete permission allows someone to remove or delete files and directories. This means that if a user has the delete permission, they can get rid of files and folders that they have access to, and these files and folders will no longer be available on the system. This permission is typically used to allow users to clean up or manage their own files and directories, but it can also be used by system administrators to control access and prevent unwanted modifications or deletions.

What does CO stand for in COBOL?

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In COBOL, CO stands for "Common Business Oriented Language". COBOL is a programming language that was designed specifically for business applications, such as finance, accounting, and payroll. COBOL was first developed in the late 1950s, and it quickly became popular in the business world because it was easy to use and understand, and it could handle large amounts of data. The "common" part of the acronym refers to the fact that COBOL was intended to be a language that could be used by a wide range of businesses, regardless of their specific industry or application. The "business-oriented" part of the acronym emphasizes the language's focus on business data and processing.

Which of the following is a computer not used for?

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A computer can be used for entertainment, information, and social media, so the answer is "none of the above". Computers are versatile machines that can perform a wide variety of tasks, including playing games, streaming videos, accessing news and other information, and connecting with others on social media platforms. While some computers may be designed or optimized for certain types of tasks, such as gaming or video editing, all computers are capable of handling entertainment, information, and social media to some extent. Therefore, the answer to this question is that there is no option that describes something a computer cannot be used for among the given choices.

What is the function of firewall?

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A firewall is a type of cybersecurity tool that helps protect a computer or network from unauthorized access or malicious activity from the internet. Think of a firewall as a security guard that stands at the entrance to your network, examining all incoming and outgoing traffic. It examines each packet of data to see if it meets certain criteria, such as the source and destination of the data, and the type of data being transmitted. If the packet meets the criteria, it's allowed to pass through the firewall and reach its destination. If it doesn't meet the criteria, the firewall blocks the packet, preventing it from entering your network. A firewall can help prevent attacks like hacking, malware infections, and other cyber threats that could compromise your data or network. Firewalls can also be configured to filter out certain types of traffic or limit access to certain resources, providing an additional layer of protection for your network. In summary, a firewall is a vital cybersecurity tool that acts as a barrier between your network and the internet, helping to keep your data and devices safe from cyber threats.

In Microsoft Excel, sheet tabs can be renamed by ______

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Sheet tabs in Microsoft Excel can be renamed by double-clicking on the sheet tab and entering the new name. To do this, simply click on the sheet tab that you want to rename and wait for it to become active. Then, double-click on the tab, and the name will become editable. Type in the new name you want for the sheet and press the Enter key or click outside the tab to save the changes.

Firefox is an example of __________

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Firefox is an example of application software. Application software is any computer program designed to perform specific tasks or provide a specific functionality to the user. It is created to help the user with various tasks such as creating documents, browsing the internet, editing photos and videos, or playing games. Application software is generally designed to be easy to use and is intended for non-technical users. Firefox is a web browser that allows users to browse the internet, access web content, and perform various online tasks. It is a standalone software application that is installed on a computer or mobile device and is used to perform a specific function. Therefore, Firefox is an example of application software.

What does a linker program do?

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A linker program is a software tool that links different parts of a computer program together. Think of a computer program as a puzzle with many pieces. The linker takes all those pieces and puts them together to make the complete program. The linker performs tasks such as combining object files, resolving symbol references, and creating the final executable file. The linker program takes care of the following tasks: 1. Linking the program with other programs needed for its execution. For example, if a program uses a library like the C standard library, the linker will link the program with that library so that the program can use its functions. 2. Relocating the program to execute from a specific memory area allocated to it. This means that the linker will place the program in a specific area of the computer's memory so that it can be executed. 3. Interfacing the program with the entities generating its input data. This means that the linker will make sure that the program can receive data from other parts of the system, such as user input or data from a file. In summary, the linker program is responsible for putting all the pieces of a computer program together so that it can be executed correctly.

The device primarily used to provide hardcopy is the?

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The device primarily used to provide hardcopy is the "printer". A printer is a device that produces a physical or hardcopy of electronic documents or images, typically on paper. It can be connected to a computer or other device through a cable or wireless connection, and it can print text, graphics, or images in black and white or color. Printers come in many different types, including inkjet, laser, and thermal, and they can be used in homes, offices, and other settings. Card readers, computer consoles, and CRTs (cathode ray tubes) are not primarily used to provide hardcopy. A card reader is a device used to read information from a magnetic stripe or chip on a plastic card, such as a credit card. A computer console is the part of a computer system that contains the keyboard, monitor, and other components used to interact with the computer. A CRT is an older type of display technology that was used in older computer monitors and televisions, but has largely been replaced by newer technologies such as LCD and LED displays.

Which type of network is usually contained inside one office building?

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The type of network that is usually contained inside one office building is called a Local Area Network or LAN. A LAN is a computer network that connects devices within a relatively small area, such as a single building, office, or campus. It is designed to allow computers and other devices to communicate with each other and share resources, such as printers, files, and internet access. LANs are typically owned and operated by a single organization, such as a business or government agency, and are often built using Ethernet cables or Wi-Fi technology. LANs are used to facilitate communication and data sharing between employees within an office building or other confined area, and are often more secure than other types of networks because they are not connected to the internet. In summary, a LAN is the type of network that you would most commonly find inside one office building.

The major function of a Database management system is _______________

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The major function of a Database Management System (DBMS) is to efficiently store and manage large amounts of data in a structured manner, making it easy to retrieve, update, and manipulate the data as needed. A DBMS provides a centralized location for storing and organizing data, allowing multiple users to access and modify the data simultaneously while ensuring data integrity and security. In addition, a DBMS provides tools for defining and enforcing data relationships, constraints, and rules, ensuring data consistency and accuracy. It also provides a query language for retrieving data from the database and generating reports. Overall, the primary goal of a DBMS is to make it easy for users to interact with large amounts of data in a way that is efficient, secure, and reliable.

Which is not a network for distribution of information?

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Microsoft Word is not a network for the distribution of information. Microsoft Word is a word processing software that is used to create, edit, and format documents. It is not a network because it does not distribute information, it is used to create and store information on a single device or in a cloud storage service. On the other hand, cloud storage, several computers to one printer, and e-mail are all examples of networks that distribute information.

What is the primary purpose of Microsoft Excel?

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Microsoft Excel is primarily used to solve problems involving numbers. It is a spreadsheet program that allows you to organize, analyze and perform calculations on data. You can use Excel to create tables, charts and graphs to visually represent your data and make it easier to understand. It is commonly used for tasks such as budgeting, tracking expenses, and managing project timelines. The program also has many built-in functions that can help you perform complex calculations and analysis with ease. So, the main purpose of Microsoft Excel is to help you work with numbers and make sense of data.

Fire fox is an example of __________

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Firefox is an example of application software. Application software is a type of software that is designed to perform specific tasks for the user, such as creating documents, browsing the web, sending emails, etc. In other words, it is a program that is used to accomplish specific tasks and is meant to be used by the end-user, as opposed to system software, which is designed to run the computer itself and support the application software. Firefox is a web browser, which is a type of application software that allows users to access, browse and interact with websites on the Internet.

Which of the following is an example of software

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An example of software is Operating Systems. Software is a set of instructions that tell a computer what to do. It is a type of computer program that is designed to perform specific tasks on a computer or other electronic device. Operating systems are a type of software that controls the basic functions of a computer, such as managing its memory and processing power, and providing a platform for other software to run on. A Joystick, Keyboard, and Mouse are examples of hardware, which are physical devices that are used to input information into a computer or other electronic device.

To determine if a computer has the ability to think, a test was conducted named as

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The test used to determine if a computer has the ability to think is called the Turing test. The Turing test was proposed by the mathematician and computer scientist Alan Turing as a way to determine if a machine can exhibit intelligent behavior equivalent to, or indistinguishable from, that of a human. The test involves a human evaluator who engages in a natural language conversation with a machine and a human, without knowing which is which, and tries to determine which is the machine based on their responses. If the evaluator is unable to reliably distinguish the machine from the human, the machine is said to have passed the Turing test and demonstrated human-like intelligence.

Which type of network can span several building, but is usually less than 30 square miles big?

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The type of network that can span several buildings but is usually less than 30 square miles big is called a MAN (Metropolitan Area Network). A MAN is a network that covers a larger geographical area than a LAN (Local Area Network) but is smaller than a WAN (Wide Area Network). It typically spans across a city or a town, connecting various LANs within its area. MANs are designed to provide high-speed connectivity between different locations within a metropolitan area, allowing users to share resources and information. They can be owned and managed by a single organization or shared by multiple organizations, such as service providers or government agencies. Some examples of MAN technologies include Fiber Distributed Data Interface (FDDI), Asynchronous Transfer Mode (ATM), and Ethernet.

A logic circuit performs ________ functions

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A logic circuit performs "processing and controlling" functions. A logic circuit is an electronic circuit that performs a specific logical operation, which is based on the principles of Boolean algebra. It takes one or more digital inputs and produces a digital output based on a set of rules, known as a truth table. The primary function of a logic circuit is to process and control the input signals to produce a desired output signal. In other words, it performs logical operations on the input signals to generate the desired output signal. This makes it a processing and controlling device. For example, a logic circuit can be used to perform a simple logic function, such as a logical AND operation, which takes two input signals and produces an output signal that is true only when both input signals are true. This output signal can then be used to control the behavior of another device or system. In summary, logic circuits are used in a wide variety of electronic devices, such as computers, calculators, and mobile phones, to process and control digital signals, which makes them an essential component of digital technology.

The most basic network is _________

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The most basic network is a Personal Area Network or PAN. A PAN is a network that connects devices located within a relatively small area, typically within a person's personal space. This can include devices like smartphones, tablets, laptops, and other wearable devices. A PAN can be created using different types of technologies like Bluetooth or Wi-Fi, which allow devices to communicate with each other and share resources such as files, internet connection, and printers, among others. For example, if you have a smartphone and a wireless headset, you can create a PAN by connecting your phone to the headset via Bluetooth. This allows you to make and receive phone calls hands-free. In summary, a PAN is the most basic network as it connects devices within a small personal area and is easy to set up and use. It is the foundation upon which larger and more complex networks like LAN, WAN, and MAN are built.

When does the output of a NOR gate =0?

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___________ is the combination of already processed _____________

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Information is the combination of already processed data. Data refers to raw, unprocessed facts and figures. For example, a list of numbers or a set of survey answers are data. Information is created when data is processed, organized, and given meaning. For example, taking the average of the numbers in the list would turn the data into meaningful information.

Sensitive data can be protected from prying eyes using _________

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Sensitive data can be protected from prying eyes using encryption. Encryption is the process of converting data into a code or a form that cannot be easily understood without a special key or password. When data is encrypted, it is scrambled and transformed into a form that is not easily recognizable. The only way to unlock or decrypt the data is to have the specific key or password that was used to encrypt it. This means that even if someone gains unauthorized access to the encrypted data, they will not be able to read or understand it without the key or password. Encryption can be applied to many types of sensitive data, including passwords, financial information, personal data, and sensitive documents. It can be used to protect data both while it is being transmitted (e.g., through email or messaging) and while it is being stored (e.g., on a computer or server). In summary, encryption is a powerful tool for protecting sensitive data from prying eyes, by converting it into a code or a form that is not easily recognizable without the specific key or password that was used to encrypt it.

An Operating System is a type of?

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An Operating System (OS) is a type of system software. It is a program that manages the hardware and software resources of a computer, and provides a platform for other software applications to run on. The OS controls the input/output operations, manages memory and storage resources, and schedules tasks to be executed by the computer's processor. Examples of common operating systems include Windows, macOS, Linux, and Android.

A 2-input gate that can be used to pass a digital waveform unchanged at certain times and inverted at other times is ___________

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The 2-input gate that can be used to pass a digital waveform unchanged at certain times and inverted at other times is the XOR (exclusive OR) gate. An XOR gate has two input signals and one output signal. The output is HIGH (1) if the two input signals are different, and LOW (0) if the two input signals are the same. In other words, an XOR gate produces an output signal that is the "exclusive or" of its two input signals. When one of the input signals is held at a constant logic level (either HIGH or LOW), the XOR gate can be used to pass the other input signal unchanged or inverted, depending on the value of the constant signal. If the constant signal is HIGH, the output signal will be inverted; if the constant signal is LOW, the output signal will be unchanged. This property of the XOR gate makes it useful in digital electronics for a variety of applications, such as data encryption, error detection and correction, and clock synchronization.

What is the major purpose of application software?

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The major purpose of application software is to help people perform specific tasks. It provides user-friendly interface to interact with computer systems and accomplish tasks such as word processing, creating spreadsheets, managing databases, playing games, and much more. In short, it is designed to make the user's work easier and more efficient, allowing them to accomplish their work goals with the help of the computer.

What is the shortcut key to "undo" last action on a Microsoft word page?

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The shortcut key to "undo" the last action on a Microsoft Word page is "Ctrl + Z". When you perform an action on a Word page, such as typing, deleting, formatting or copying text, you can undo that action by using the "Ctrl + Z" keyboard shortcut. This will revert the page to the state it was in before the action was performed. For example, if you accidentally delete a sentence, you can press "Ctrl + Z" to undo the deletion and restore the sentence. The "Ctrl + Z" shortcut is a very useful and commonly used feature in Microsoft Word as it allows you to quickly correct mistakes without having to manually undo each action. It can be used multiple times to undo several actions in a row. If you want to redo an action that was previously undone, you can use the "Ctrl + Y" keyboard shortcut. In summary, the "Ctrl + Z" keyboard shortcut is used to undo the last action performed on a Microsoft Word page, allowing you to easily correct mistakes and restore the previous state of the page.

Computer Monitor is also known as

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A computer monitor is also known as a VDU, which stands for "Visual Display Unit." This is because the monitor is responsible for displaying the visual output of the computer, allowing you to see the information, images, videos, and graphics that are generated by the computer's software. The VDU or monitor is an essential part of any computer setup, and without it, you wouldn't be able to interact with your computer in a meaningful way. So, in short, a computer monitor and a VDU are the same thing! As for the other options, DVU, UVD, and CCTV are not commonly used terms for a computer monitor.

Typically, an ATM is used for

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An ATM, or Automated Teller Machine, is typically used for withdrawing cash. It is a machine that allows customers of a financial institution to perform financial transactions, such as withdrawing cash, checking their account balance, or depositing money, without the need to visit a bank branch. ATMs are widely available and can be found in many public places such as shopping centers, airports, and gas stations. They provide customers with convenient access to their money 24 hours a day, seven days a week.

The super computers are mainly used for

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Supercomputers are high-performance computers designed for handling extremely complex and large-scale computational tasks. They are mainly used for mathematical intensive scientific applications, such as simulating complex physical phenomena, weather forecasting, and drug discovery. Supercomputers can perform a vast number of calculations in a short amount of time, which is essential for solving complex problems. These computers are designed to handle massive amounts of data and perform complex algorithms, making them ideal for handling input-output intensive processing tasks. Although they can retrieve data and manipulate records like any other computer, their true power lies in their ability to perform mathematical calculations and simulations that would be impossible for regular computers. Supercomputers are used in a wide range of fields, including aerospace, automotive, energy, finance, and healthcare, to name a few. Their use has led to breakthroughs in many fields and has contributed significantly to scientific and technological advancements.

The acronym IP address has its full meaning to be _________

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The acronym "IP address" stands for "Internet Protocol address". An IP address is a unique numerical identifier assigned to each device connected to the internet. Think of it like a phone number for your computer or other device. When you visit a website, your device sends a request to the website's IP address and then the website responds by sending the requested information back to your device's IP address. This is how devices on the internet communicate with each other.

.......... provides total solutions to reduce data redundancy, inconsistency, dependence and unauthorized access of data

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A DBMS (Database Management System) provides comprehensive solutions to reduce data redundancy, inconsistency, dependence, and unauthorized access of data. Data redundancy refers to the duplication of data in a database, which can lead to inconsistencies and take up unnecessary storage space. A DBMS helps to eliminate data redundancy by ensuring that each piece of data is stored only once and is consistently maintained. Data inconsistency refers to the occurrence of conflicting data in a database, which can lead to problems when trying to make decisions based on the data. A DBMS helps to maintain data consistency by enforcing constraints and rules that ensure that data is entered consistently and accurately. Data dependence refers to the relationship between different pieces of data in a database. A DBMS helps to reduce data dependence by allowing data to be stored in separate tables and establishing relationships between those tables. This reduces the risk of changes in one table affecting the data in another table. Finally, a DBMS provides security features to prevent unauthorized access to the data stored in the database. This includes controlling access to the database through user authentication and authorization, as well as ensuring that sensitive data is encrypted to protect it from being accessed by unauthorized individuals. In short, a DBMS provides a centralized and organized way to store, manage, and secure data to ensure its accuracy, consistency, and security.

What is a website main page called?

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The main page of a website is called the "Home page." It's the first page that you see when you visit a website, and it often contains an overview of the website's content, as well as links to other pages on the site. The Home page is like the front door of a house, welcoming visitors and guiding them to different parts of the website. You can think of it as the main hub for a website, where you can start exploring the site's content and find what you're looking for. So, when you're visiting a website and you want to get back to the main page, just look for the "Home" button or link.