641. A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
A. Super computer
B. Mini computer
C. Micro computer
D. Micro computer
✅ The correct answer is option A.
Computer
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642. The first microprocessor built by the Intel Corpn. was called
A. 8008
B. 8080
C. 4004
D. 8800
✅ The correct answer is option C.
643. The input unit of a computer
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.
644. 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.
645. A byte represents a group of
A. 10 bits
B. 40 bits
C. 8 bits
D. 22 bits
✅ The correct answer is option C.
646. 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.
647. 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.
648. Which network protocol is used to send Email?
A. FTP
B. SSH
C. POP3
D. SMTP
✅ The correct answer is option D.
649. Which of the following persons probably has the least amount of technical knowledge?
A. User
B. Computer Operator
C. System Analyst
D. Programmer
✅ The correct answer is option A.
650. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A. Bus control
B. Interrupts
C. Bus arbitration
D. Status
✅ The correct answer is option C.