251. The physical layer concerns with____________________?
A. bit-by-bit delivery
B. process to process delivery
C. application to application delivery
D. none of these
✅ The correct answer is option A.
Basic computer knowledge MCQs
252. All the deleted files go to____________________?
A. My Computer
B. Tool Bar
C. Task Bar
D. Recycle Bin
✅ The correct answer is option D.
253. The part of the CPU that accesses and decodes program instructions, and coordinates the flow of data among various system components is the___________________?
A. Motherboard
B. ALU
C. Control unit
D. Megahertz
✅ The correct answer is option C.
254. Bubble memory is a_____________________?
A. Direct access device only
B. Combination of sequential and direct access devices
C. Sequential access device only
D. All of the above
✅ The correct answer is option B.
255. The main system board of a computer is called the _______________________?
A. integrated circuit
B. mother board
C. processor
D. microchip
✅ The correct answer is option B.
256. To deliver a message to the correct application program running on a host, the ___________ address must be consulted ?
A. IP
B. MAC
C. Port
D. None of these
✅ The correct answer is option C.
257. The computer monitor is which type of device ?
A. Input
B. Scanning
C. Software
D. Output
✅ The correct answer is option D.
258. Which protocol is a signalling communication protocol used for controlling multimedia communication sessions ?
A. session initiation protocol
B. session modelling protocol
C. session maintenance protocol
D. none of these
✅ The correct answer is option A.
259. All the following are storage device except____________________?
A. Floppy Disc
B. Monitor
C. Tape Drive
D. CD
✅ The correct answer is option B.
260. The most powerful computer is_____________________?
A. Super computer
B. Micro computer
C. Mini computer
D. All of these
✅ The correct answer is option A.