(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?
Briefly explain the following terms: (a) website (b) protocols (c) webpage (d) e-commerce (e) e-mails.
(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?
(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
(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.
(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.
Which of these is not an example of a browser?
- A. Chrome
- B. Internet Explorer
- C. Mozilla
- D. Opera
- E. Python
The editing features in Microsoft Word include the following, except?
- A. animation
- B. format painter
- C. go to
- D. thesaurus
- E. word count
Convert 687 in decimal to base 16?
- A. 2AF\(_{16}\)
- B. 3BA\(_{16}\)
- C. 4ff\(_{16}\)
- D. BB\(_{16}\)
- E. CBC\(_{16}\)
A/AN is a virus program that copies and multiplies itself by using computer networks and security flaws?
- A. Asimov 1539
- B. Elkern
- C. Polyboot.B
- D. Stator
- E. Worm
In Microsoft Word, CTRL+ESC….. the start menu?
- A. closes
- B. cuts
- C. opens
- D. redo
- E. undo
Which of these registered jacks is used in terminating phone lines?
- A. RJ 11
- B. RJ 14
- C. RJ 25
- D. RJ 35
- E. RJ 45
The maximum length of 10 base T unshielded twisted pair cable in meters is?
- A. 100
- B. 185
- C. 500
- D. 2000
- E. 3000
Which of these is a specialized port?
- A. Firewall
- B. IRDA
- C. Parallel
- D. Serial
- E. USB
The user chosen secret string of characters that allows access to the use of computer is called?
- A. address code
- B. ID-Name
- C. password
- D. pin code
- E. username
The full meaning of BCD is?
- A. Basic Code Decimal
- B. Basic Computer Decimal
- C. Binary Coded Decimal
- D. Binary Coded Digit
- E. Binary Computer Decimal
Which of these storage media has the lowest capacity?
- A. CD-ROM
- B. Flash Drive
- C. Floppy Disk
- D. RAM
- E. Register
In data base, the minimum number of characters. user can input in the field is known as field?
- A. caption
- B. format
- C. name
- D. size
- E. text
Change a\(frac{(b-c)^2}{d +2}\) in algebraic expression to BASIC arithmetic expression.
- A. A * b\(^2\) - c\(^2\) ÷ d +2
- B. A * \(frac{(b-c)^2}{D +2}\)
- C. ab\(^2\) - ac\(^2\) ÷ d + 2
- D. A * \(frac{(b-c)^2}{D +2}\) Opera
- E. Python E. AB-AC^2 / D +2
AutoCAD is best used in?
- A. educating
- B. engineering
- C. journalism
- D. offices
- E. publishing
Which of the following circuits is used as memory device in a computer?
- A. Attenuator
- B. Comparator
- C. Flip-flop
- D. Modem
- E. Rectifier