The conversion of 11001\(_2\), to base ten equals?
- A. 20.
- B. 25.
- C. 28.
- D. 30
In hexadecimal number system, B, D and F represent which of the following decimal numbers?
- A. 11, 13 and 15 respectively.
- B. 12, 14 and 15 respectively.
- C. 13, 14 and 15 respectively.
- D. 14, 16 and 17 respectively
Which of the following statements is true of free software? It
- A. can be borrowed freely.
- B. is a low-cost software:
- C. is a free unlicensed software.
- D. is a licensed software with permission to copy freely.
Which of the following is the main advantage of intellectual property right?
- A. Discouragement of sharing.
- B. Discovery of brilliant persons.
- C. Encouragement of innovations.
- D. maximization of profit.
Computer ethics are important because they?
- A. ensure identity theft.
- B. regulate the privacy of messages only.
- C. address piracy and comportment issues.
- D. prevent copyright infringement on discretional basis.
Which of the following statements is true of encryption? It
- A. provides complete privacy.
- B. provides security of varying reliability.
- C. makes messages un- readable by the recipient.
- D. permits an individual to have access to another person's message.
A high level language can be converted to a machine language using?
- A. a compiler.
- B. an editor.
- C. a utility program.
- D. an operating system
The part of the computer that holds the data and pro- grams for CPU processing is the?
- A. Address.
- B. Register:
- C. Random Access Memory.
- D. Read Only Memory
The term bus’ width in data transfer refers to the?
- A. number of wires in the bus.
- B. size of the data movement.
- C. number of bits of information the RAM can send to the CPU at the same time.
- D. number of wires in the bus that carry information to the processor at a time
The shortcut command used in restarting a computer is?
- A. Ctrl+ S.
- B. Ctrl+0.
- C. Del+Alt+S.
- D. Alt+Ctrl+Del.
Data loss in a computer cannot be prevented by the use of?
- A. antivirus.
- B. backup.
- C. flash drive.
- D. password.
The computer keyboard key(s) that a user presses to move to the beginning of a current line of text is/are the?
- A. Enter key.
- B. Home key.
- C. Ctrl +B keys.
- D. Ctrl+ Home keys.
Which of the following items changes shape depending on the task being performed?
- A. Ribbon
- B. Active tab
- C. Insertion point
- D. Mouse pointer
In word processing, an efficient way to move the second paragraph and place it after the fourth paragraph is?
- A. copy and paste.
- B. copy, cut and paste.
- C. cut and paste.
- D. cut, copy and paste.
Which of the following is a valid e-mail address?
- A. www.itbeginswithu.org
- B. waeconline@yahoo.co.uk
- C. www.waeconline.org
- D. www.fine.gov.ng
Which of the following is not a network device?
- A. Hub
- B. Modem
- C. Port
- D. Router
When browsing on the internet, a possible reason for. the message “page not found” is that?
- A. the weather is hot.
- B. the web browser is fast.
- C. multiple web pages are loading at the same time.
- D. a connection between the client and server has been lost.
In a network, the workstation is usually.connected to the?
- A. Hub.
- B. Modem.
- C. Router.
- D. Switch.
In order to get to the symbol dialog box in MS-Word click on the?
- A. Home tab.
- B. Insert tab.
- C. Page Lay- out tab.
- D. View tab.
The colour palette in CorelDraw allows the user to?
- A. arrange colour.
- B. draw in colour.
- C. pick colour tool.
- D. choose different pre-set colour palettes.
The keyboard command used to copy text in Ms-Word document is?
- A. Shift+G.
- B. Ctrl+N.
- C. Ctrl + C.
- D. Ctrl+ Alt + C.