A. feeds data to the CPU or memory
B. retrieves data from CPU
C. directs all other units
D. All of the above
✅ The correct answer is option A.
Computer Basics
Which key on keyboard of a computer does not have its name printed on the key?
A. ESC
B. SHIFT
C. F1
D. SPACE
✅ The correct answer is option D.
A byte represents a group of
A. 10 bits
B. 40 bits
C. 8 bits
D. 22 bits
✅ The correct answer is option C.
An integrated circuit is
A. a complicated circuit
B. an integrating device
C. much costlier than a single transistor
D. fabricated on a tiny silicon chip
✅ The correct answer is option D.
In MODEMS
A. Several digital signals are multiplexed
B. A digital signal changes some characteristic of a carrier wave
C. Digital signal is amplified
D. All of the above
✅ The correct answer is option B.
Which network protocol is used to send Email?
A. FTP
B. SSH
C. POP3
D. SMTP
✅ The correct answer is option D.
The main purpose of the offline device is…….
A. To reduce the no.of operator errors in recording data
B. To save computer time
C. To save floor space in the computer center
D. All of the above
✅ The correct answer is option B.
Primary storage is _____as compared to secondary storage.
A. Slow and inexpensive
B. Fast and inexpensive
C. Fast and expensive
D. Slow and expensive
✅ The correct answer is option C.
Which of the following is also known as SOROBAN
A. ENIAC
B. Abacus
C. EDSAC
D. UNIVAC
✅ The correct answer is option B.
In computers ,what is the smallest and basic unit of information storage?
A. Bit
B. Byte
C. Newton
D. Mega Byte
✅ The correct answer is option A.