JAMB UTME - Computer Studies - 2025
Question 1 Report
CPU stands for ________________.
Answer Details
CPU stands for Central Processing Unit.
Question 2 Report
The combination of the arithmetic and logic units, as well as the ______________ unit makes up the central processing unit.
Answer Details
The control unit manages and coordinates the operation of a computer system. The ALU is responsible for performing all the arithmetic and bitwise operations. Therefore, both these units combine to form the brain of the computer, ie CPU.
Question 3 Report
Which doesn't belong to the group?
Answer Details
External memory doesn't belong to the group because it is a type of memory that can be detached from the computer, unlike the other three options that can't be detached from the computer system because they are inbuilt.
Question 4 Report
EDVAC was produced using which of these concepts ?
Answer Details
EDVAC (Electronic Discrete Variable Automatic Computer) was produced using the 'stored program' concept. This concept is a design architecture for computers where the instructions to be executed by the computer are stored in the same memory that holds the data. 'Circuit switching', 'packet routing', and 'packet switching' are concepts related to network communication, not computer design.
Question 5 Report
What is the primary purpose of using a query in MS Access?
Answer Details
Queries are a powerful tool in MS Access for retrieving specific data from your tables. You can define criteria to filter the data based on specific conditions, allowing you to focus on relevant information for analysis or reporting.
Question 6 Report
The process of feeding instructions into the computer system is called
Answer Details
In computer science, the general meaning of input is to provide or give something to the computer, in other words, when a computer or device is receiving a command or signal from outer sources, the event is referred to as input to the device
Question 7 Report
What generation of computer is characterized by the use of vacuum tubes for circuitry and magnetic drums for main memory?
Answer Details
The first generation computer systems used vacuum tubes for circuitry and magnetic drums for main memory, and they were often enormous, taking up entire rooms.
Question 8 Report
Which of the following allows devices on one network to communicate with devices on another network ?
Answer Details
A computer that sits between different networks or applications. The gateway converts information, data or other communications from one protocol or format to another.
Question 9 Report
Destruction of files for malicious reasons such as access by fraudulent people is classified as being
Answer Details
Access to an information system or network that violates the owner or operator's stated security policy is considered unauthorized access.
Question 10 Report
What is the difference between internal and external modem
Answer Details
Internal modems are PCI or ISA expansion cards, they tend to be simple to install while external modems are traditionally plug into a serial port on the computer.
Question 11 Report
The set of rules that defines the combination of symbols that are considered to be correctly structured statements or expressions in that language is called _________
Answer Details
In computer science, the syntax of a computer language is the set of rules that defines the combinations of symbols that are considered to be correctly structured statements or expressions in that language.
Question 12 Report
Computers manipulate data in many ways, and this manipulation is called ?
Answer Details
Computers manipulate data in many ways, and this manipulation is called processing. Data processing refers to the conversion of raw data into meaningful output by performing computations, logical comparisons, and other operations.
Question 13 Report
The first stage of data processing activities is ?
Answer Details
The first stage of data processing is the collection or gathering of data and recording it in a usable form.
Question 14 Report
What is the primary purpose of using a query in MS Access?
Answer Details
Queries are a powerful tool in MS Access for retrieving specific data from your tables. You can define criteria to filter the data based on specific conditions, allowing you to focus on relevant information for analysis or reporting.
Question 15 Report
A tier in which the database resides along with the query processing language is called
Answer Details
Database (Data) Tier − The database resides along with its query processing languages at this tier. We also have the relations that define the data and their constraints at this level.
Question 16 Report
When the computer reboots itself without triggering the hardware based reset, it is called ?
Answer Details
soft or warm reboot involves restarting a computer under software control without triggering the hardware based reset.
Question 17 Report
The computer that combines the functions of both analog and digital computers is called ?
Answer Details
A hybrid computer is a type of computer that combines the characteristics of both digital and analog computers. It is designed to offer the speed of analog equipment and the accuracy and memory of digital equipment.
Question 18 Report
What does RAM and ROM have in common?
Answer Details
RAM and ROM are types of computer memory.
Question 19 Report
Files that maintain the hierarchical structure of the file system.
Answer Details
Directories are the files that maintain the hierarchical structure of the file system. The users are allowed to read information in directories
Question 20 Report
In the files, if order of operation on two or more files are similar, then operation will be
Answer Details
If the order of operation on two or more files is similar, then the operation will be sequential. Sequential operation means that the files will be processed one after the other in the same order as specified.
Question 21 Report
Which of the following is not an application software
Answer Details
Linux is not an application software. It is an example of system software.
Question 22 Report
The binary system has the radix of ________
Answer Details
Binary consists of two digits, hence its radix being 2.
Question 23 Report
Which part of a processor contains the hard ware necessary to perform all the operations required by a computer?
Answer Details
The data path contains all hardware necessary to perform every operation. A controller tells the data path what needs to be done.
Question 24 Report
Which of the following is not a third generation language?
Answer Details
Assembly language is a low-level programming language that is specific to a particular computer architecture. It is more difficult to learn and use than higher-level programming languages, but it offers more control over the hardware.
Question 25 Report
What is the output expression for the circuit shown above?
Answer Details
The output of the expression for the circuit is shown above:
___
A B+BC
Question 26 Report
How many different values can a bit have?
Answer Details
A bit can have 2 different values.
Question 27 Report
Which of the following is a computer not used for?
Answer Details
Computer is used in almost every aspect. Hence, it is almost impossible to say there is an aspect where computer isn't used.
Question 28 Report
Which of the following data types is used to represent textual data in computers?
Answer Details
The string data type is used to represent textual data in computers.
Question 29 Report
Another word for booting is
Answer Details
In computing, booting is the process of starting a computer
Question 30 Report
The Caps key on a keyboard is used to___________
Answer Details
Caps Lock is a key on a computer keyboard that allows users to generate letters in uppercase once activated, as in "SAMPLE," without holding down the Shift key. It is a toggle key and can be found on the left side of a computer keyboard below the Tab key.
Question 31 Report
A half byte is known as ________.
Answer Details
A nibble is a 4 bit aggression, or half an octet. It has 16 possible values, and can be represented by a single hexadecimal digit which are called hex digit
Question 32 Report
The joystick typically have a button on _________ used to select the option pointed by the cursor.
Answer Details
The bottom is placed on top of the joystick.
Question 33 Report
___________ is the combination of already processed _____________
Answer Details
Information is the combination of already processed data.
Question 34 Report
A light sensitive device that converts drawing, printed text or other images into digital form is
Answer Details
A scanner converts hard copy of data and other information to soft copy, by serving as an input device that supplies the computer the information or data contained in the hard copy.
Question 35 Report
What is a website main page called?
Answer Details
The Homepage is the main Web page of a website.
Question 36 Report
Which of the following is an example of output device
Answer Details
A speaker is an output device because, it projects sounds from the system to the user.
Question 37 Report
Which of these is not true about peer-to-peer network ?
Answer Details
A peer-to-peer (P2P) network is a decentralized network where each computer (peer) acts as both a client and a server. This means that there are no dedicated servers and no hierarchy among the computers. However, P2P networks are generally not known for having a strong security system. This is because each peer has equal access to the resources, which can lead to potential security risks.
Question 38 Report
Which operation combines multiple files into a single archive file?
Answer Details
Compressing files combines them into a single archive file, such as a ZIP file, reducing storage space and simplifying file management.
Question 39 Report
What is the difference between an assembler and a compiler ?
Answer Details
An assembler converts assembly level language code into machine language code while a compiler converts high level programming language code to a machine language code.
Question 40 Report
The two types of operating system are
Answer Details
Operating systems can be categorized into two types based on their user interface: Command Line Interface (CLI) and Graphical User Interface (GUI). CLI requires users to type commands to interact with the system, while GUI uses visual elements like icons, windows, and buttons for interaction.
