Which of the following could be digital input devices for computers ?

A. Digital camcorder
B. Microphone
C. Scanner
D. All of the above

A key that will erase information from the computer’s memory and characters on the screen _____________________?

A. Edit
B. Delete key
C. Dummy out
D. Trust key

During processing data, programs, and processed information are held temporality in ________________________?

A. Secondary storage
B. Rom
C. Ram
D. Cpu

Which of the following is the storage area within the computer itself which holds data only temporarily as the computer processes instruction ?

A. The hard disk
B. Main memory
C. The control unit
D. Read only memory

HTTP is _____________ protocol?

A. Application layer
B. Transport layer
C. Network layer
D. None of the above

A disk’s content that is recorded at the time of manufacture and that cannot be changed or erased by the user is _____________________?

A. Memory only
B. Write only
C. Read only
D. Run only

The area of coverage of satellite radio beam is known as_____________________?

A. Diameter
B. Beam width
C. Foot print
D. Circular polarisation

All the following are storage device except____________________?

A. Floppy disc
B. Monitor
C. Tape drive
D. Cd

What do you call the smallest controllable element of a picture represented on a computer screen ?

A. Bit
B. Pixel
C. Point
D. Cell

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