Computer Past Questions And Answers
121
The combination of the arithmetic and logic units, as well as the ______________ unit makes up the central processing unit.
- A. input
- B. memory
- C. control
- D. 1/0
122
In Boolean algebra, the bar sign (-) indicates ....................
- A. OR operation
- B. AND operation
- C. NOT operation
- D. None of the above
123
The windows explorer is divided into _________ categories.
- A. 2
- B. 3
- C. 5
- D. 7
124
Effects of file insecurity include the following except?
- A. virus infection.
- B. file corruption.
- C. encrypted data
- D. data loss.
125
In networking, bandwidth means?
- A. class of IP address used in the network
- B. number of interconnected computers in the network
- C. transmission capacity of a communication channel.
- D. types of nodes in a communication channel
126
910 is equivalent to X8 where X is?
- A. 7.
- B. 10.
- C. 11.
- D. 12.
127
Which part of a laptop serves the same function as a mouse?
- A. Arrow keys
- B. Navigation bar
- C. Touchpad
- D. Keyboard
128
How many different values can a bit have?
- A. 2
- B. 4
- C. 10
- D. 256
129
Memory management is a feature of
- A) operating system
- B) processor
- C) UPS
- D) animation
130
A similarity between data and information is that both?
- A. can be displayed on the monitor
- B. are computer inputs
- C. are processed facts
- D. are computer results