Computer Past Questions And Answers
281
The hardware of a computer does not consist of?
- A. casing
- B. mouse
- C. peripherals
- D. windows
282
A pictorial representation of the logic of a program is called?
- A. diagram
- B. flowchart
- C. pseudo code
- D. software
283
Which of the following is not a network device?
- A. Hub
- B. Modem
- C. Port
- D. Router
284
In a star network, each node must?
- A. be connected directly to adjacent node
- B. be connected directly to a central network hub
- C. be connected directly to a common backbone cable
- D. possess a token before it can transmit signal to adjacent node
285
EDSAC was produced using a concept known as
- A. Circuit switching
- B. Packet routing
- C. Packet switching
- D. Stored program
286
Which of the logic gates will give an output opposite to the input state?

- A. X
- B. Y
- C. Z
- D. X and Y
287
The operation of a computer and peripherals attached to it is controlled by?
- A. application software.
- B. hardware
- C. liveware.
- D. system software
288
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.
289
Warm boot in computing is the same as?
- A. debugging
- B. handshake
- C. hard boot
- D. soft boot
290
In ring topology, the computer that is allowed to transmit data possesses the ________
- A. Packet
- B. Data
- C. Access method
- D. Token

