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Pergunta 1 Relatório
Integrated circuit chips used in micro computer are made of element called?
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Pergunta 2 Relatório
The following are examples of synchronous communication, except?
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Pergunta 4 Relatório
The user chosen secret string of characters that allows access to the use of computer is called?
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Pergunta 7 Relatório
In order to find and load a file that has been saved, you need to select the ... Command.
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Pergunta 8 Relatório
In a computer system, SQL, simply means ..... Query language? Sample B. Simple C. Stratified D. Structured E. Summary
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Pergunta 10 Relatório
The fourth generation programming language includes the following except?
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Pergunta 12 Relatório
Which of these is not a logic comparison symbol in computer studies ?
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Pergunta 15 Relatório
The transfer of information from the Internet to your computer is called?
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Pergunta 16 Relatório
Which of these packages is appropriate for preparing payroll of workers?
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Pergunta 18 Relatório
The logical unit of transfer between the backing storage and main memory in file organization is called?
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Pergunta 19 Relatório
What is the decimal equivalent of the binary number 10110111?
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Pergunta 20 Relatório
Which of these registered jacks is used in terminating phone lines?
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Pergunta 21 Relatório
A calculating machine that is made of hardwood with cursor of glass and metal is called?
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Pergunta 24 Relatório
The mechanical counting device called pascaline was invented by......... pascal?
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Pergunta 25 Relatório
Which of the following circuits is used as memory device in a computer?
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Pergunta 26 Relatório
How do you find and load a file that has been saved? select ..... command.
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Pergunta 27 Relatório
Which of the following is not among the features of presentation package?
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Pergunta 28 Relatório
The process of .... is difficut without computer in transportation system.
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Pergunta 30 Relatório
The maximum length of 10 base T unshielded twisted pair cable in meters is?
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Pergunta 31 Relatório
A/AN is a virus program that copies and multiplies itself by using computer networks and security flaws?
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Pergunta 32 Relatório
36. Which of these characteristics of languages is common to all computer programs?
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Pergunta 33 Relatório
Which of the following is not a function of symbolic DOS command?
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Pergunta 34 Relatório
The distribution of video and audio content to a dispersed audience through electronic media is called?
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Pergunta 41 Relatório
Change a\(frac{(b-c)^2}{d +2}\) in algebraic expression to BASIC arithmetic expression.
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Pergunta 43 Relatório
The ...... is added to a host computer hardware in order to expand its abilities?
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Pergunta 44 Relatório
Every computer system connected to the Internet must have a unique address?
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Pergunta 47 Relatório
The editing features in Microsoft Word include the following, except?
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Pergunta 49 Relatório
In data base, the minimum number of characters. user can input in the field is known as field?
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Pergunta 50 Relatório
The computer that features a Liquid Crystal Display (LCD) is known as ...... Computer?
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Pergunta 55 Relatório
The four standard ports include the following buses, except?
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Pergunta 58 Relatório
By default in Microsoft word, your document prints in .. mode?
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Pergunta 61 Relatório
(a) What is an operating system?
(b) Give three examples of operating system.
(c) State two differences between the floppy disk and compact disc.
(d) Write a Basic program to calculate the perimeter of a rectangle.
None
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None
Pergunta 62 Relatório
(a) List two operations that can be performed on computer file.
(b) State three precautions to be taken in order to secure a computer file.
(c) State three advantages of computerized file over manual files.
(d)What is an antivirus?
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None
Pergunta 63 Relatório
Briefly explain the following terms: (a) website (b) protocols (c) webpage (d) e-commerce (e) e-mails.
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None
Pergunta 64 Relatório
(a)(i) List three classes of computer. (ii) Difference between Analog and Digital computers.
(b) Mention two types of memory.
(c) Give tw0 examples of secondary storage.
(d) Convert 1.44MB to bytes.
None
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None
Pergunta 65 Relatório
(a) What is word processing?
(b) Give two example of word processors.
(c) State two uses of world wide web (www)
(d)(i) List two types of cables. (ii) What is the advantage of registered jacks 11 (RJ11) over other connectors?
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None
Pergunta 66 Relatório
(a) Draw the AND gate and produce its truth table
(b) List two examples of an output device.
(c)(i) What is a computer virus.
(ii) Give two examples of computer virus.
(d) Convent 28C in hexadecimal to decimal number
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None
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