821. The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes.
A. Kilobyte
B. Megabyte
C. Gigabyte
D. Terabyte
✅ The correct answer is option A.
Computer
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822. Codes consisting of light and dark marks which may be optically read is known as
A. Mnemonics
B. Bar code
C. Decoder
D. All of the above
✅ The correct answer is option B.
823. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is ……..
A. Bug
B. Vice
C. Lice
D. Worm
✅ The correct answer is option D.
824. Computers are extremely fast and have fantastic memories. However, the only thing they can remember is
A. Instruction
B. Series of 1s and 0s
C. Boolean algebra
D. Logic theorems
✅ The correct answer is option B.
825. Which one of the following is termed a combination input-output device?
A. VDT
B. Keyboard
C. Printer
D. Laser Jet
✅ The correct answer is option A.
826. Hard disks and diskettes are:
A. Direct access storage devices
B. Sequential access storage devices
C. Rarely used with microcomputers
D. Both (A) and (C)
✅ The correct answer is option A.
827. A high speed device used in CPU for temporary storage during processing is called
A. A register
B. A bus
C. A databus
D. All of the above
✅ The correct answer is option A.
828. A prewritten program that’s sold to perform a common task is called an application
A. System software
B. Package
C. Utilities
D. Program
✅ The correct answer is option B.
829. A group of magnetic tapes, videos or terminals usually under the control of one master is
A. Cylinder
B. Cluster
C. Surface
D. Track
✅ The correct answer is option B.
830. The 0 and 1 in the binary numbering system are called Binary Digits or
A. Bytes
B. Kilobytes
C. Decimal bytes
D. Bits
✅ The correct answer is option D.