A. Memory Address Register
B. Memory Data Register
C. Instruction Register
D. Program Counter
✅ The correct answer is option D.
Computer mcqs
A memory bus is mainly used for communication between
A. processor and memory
B. processor and I/O devices
C. I/O devices and memory
D. input device and output device
✅ The correct answer is option A.
Where does your PC store your programs when the power is off?
A. DRAM
B. Cache
C. ROM
D. Hard Disk Drive
✅ The correct answer is option D.
Which of the following can be output by a computer?
A. graphics
B. voice
C. text
D. computer-usable data or information
✅ The correct answer is option E.
Which part of the diskette should never be touched?
A. Hub
B. Centre
C. Oval slot
D. Corner
✅ The correct answer is option C.
Most important advantage of an IC is its
A. Easy replacement in case of circuit failure
B. Extremely high reliability
C. Reduced cost
D. Low power consumption
✅ The correct answer is option B.
A 32 bit microprocessor has the word length equal to
A. 2 bytes
B. 32 bytes
C. 4 bytes
D. 8 bytes
✅ The correct answer is option C.
Which major development led to the production of microcomputers?
A. Magnetic disks
B. Floppy disks
C. Logic gates
D. Integrated circuits
✅ The correct answer is option D.
Which type of display is the latest to be used for portable computer?
A. LED display
B. LCD display
C. Plasma display
D. Electroluminescent display
✅ The correct answer is option D.
Programs such as Internet Explorer that serve as navigable windows into the Web are called ……..
A. Hypertext
B. Networks
C. Internet
D. Web Browsers
✅ The correct answer is option D.