661. What is the name given to the 8-bit unit used for coding data?
A. block of characters
B. byte
C. word
D. KB
✅ The correct answer is option B.
Computer
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662. A acronym for the organisation that publishes programming language standard is
A. ASCn
B. BCD
C. ANSI
D. EBCDIC
✅ The correct answer is option C.
663. In the IBM PC-AT, what do the words AT stand for?
A. Additional terminals
B. Advance technology
C. Applied technology
D. Advanced terminology
✅ The correct answer is option B.
664. Who invented the microprocessor?
A. Marcian E Hoff
B. Herman H Goldstein
C. Joseph Jacquard
D. All of the above
✅ The correct answer is option A.
665. A processing unit that coordinates networks and data communication is known as
A. Control unit
B. Communications processor
C. Register unit
D. CPU
✅ The correct answer is option B.
666. In a punched card system, data is processed by a
A. keypunch machine, sorter, and posting machine
B. accounting machine, posting machine, and billing machine
C. sorter, posting machine, and billing machine
D. accounting machine, keypunch machine, and sorter
✅ The correct answer is option D.
667. The software used to convert source program instructions to object instruction is known as
A. Compiler
B. Assembler
C. Interpreter
D. Language processor
✅ The correct answer is option D.
668. Super-computers
A. Are found at thousands of sites around the world
B. Can now fit on a single silicon chip
C. Are usually designed to process accounting applications
D. Are not fast enough for some applications
✅ The correct answer is option D.
669. An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is
A. NOR
B. NAND
C. OR
D. NOT
✅ The correct answer is option B.
670. Software programs that close potential security breaches in an operating system are known as:
A. Security breach fixes
B. Refresh patches
C. Security repairs
D. Security patches
✅ The correct answer is option D.