22 Introduction to the Computer (Part 22)
14 Mar 2015
421.What are the three decisions making operations performed by the ALU of a computer?
(1) Grater than
(2) Less than
(3) Equal to
(4) All the above
(5) None of them
422.Which part of the computer is used for calculating and comparing?
(1) Disk unit
(2) Control unit
(3) ALU
(4) Modem
(5) None of them
423.Can you tell what passes into and out from the computer via its ports?
(1) Data
(2) Bytes
(3) Graphics
(4) Pictures
(5) None of them
424.Which type of computers uses the 8-bit code called EBCDIC?
(1) Minicomputers
(2) Microcomputers
(3) Mainframe computers
(4) Super computer
(5) None of them
425.Where as a computer mouse moves over the table surface, the trackball is
(1) Stationary
(2) Difficult to move
(3) Dragged
(4) Moved in small sterns
(5) None of them
426.Which one of the following input device is user programmable?
(1) Dumb terminal
(2) Smart terminal
(3) VDT
(4) Intelligent terminal
(5) None of them
427.Which computer memory is used for storing programs and data currently being processed by the CPU?
(1) Mass memory
(2) Internal memory
(3) Non-volatile memory
(4) PROM
(5) None of them
428.Computer instructions written with the use of English words instead of binary machine code is called
(1) Mnemonics
(2) Symbolic code
(3) Gray codes
(4) Opcode
(5) None of them
429.Computer Operators
(1) writes computer programs for specific problems
(2) operate the device which input and output data from the computer
(3) normally require a college degree in computer science
(4) all the above
(5) None of them
430.A computer programmer
(1) Dies all the thinking for a compute
(2) Can enter input data quickly
(3) Can operate all types of computer equipment
(4) Can draw only flowchart
(5) None of them
431.CD-ROM
(1) Is a ‘semiconductor memory
(2) Memory register
(3) Magnetic memory
(4) All the above
(5) None of them
432.Which of the following is not a primary storage device?
(1) Magnetic tape
(2) Magnetic disk
(3) Optical disk
(4) All the above
(5) None of them
433.A name or number used to identify a storage location is called
(1) A byte
(2) A record
(3) An address
(4) All the above
(5) None of them
434.Which of the following is a secondary memory device?
(1) Keyboard
(2) Disk
(3) ALU
(4) All the above
(5) None of them
435.The difference between memory and storage is that memory is .... and storage is
(1) Temporary, permanent
(2) Permanent, temporary
(3) Slow, fast
(4) All the above
(5) None of them
436.A floppy disk contains
(1) Circular tracks only
(2) Sectors only
(3) Both circular tracks and sectors
(4) All of the above
(5) None of them
437.The octal equivalence of 111010 is
(1) 81
(2) 72
(3) 71
(4) All the above
(5) None of them
438.The first electronic computer in the world was
(1) UNIVAC
(2) EDVAC
(3) ENIAC
(4) All the above
(5) None of them
439.The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
(1) ASCII
(2) EBCDIC
(3) BCD
(4) All the above
(5) None of them
440.Which was the computer conceived by Babbage?
(1) Analytical engine
(2) Arithmetic machine
(3) Donald Knuth
(4) All the above
(5) None of them
Answers: 421. (4) 422. (3) 423. (1) 424. (3) 425. (1) 426. (4) 427. (2) 428. (2) 429. (2) 430. (1) 431. (5) 432. (5)
433. (3) 434. (2) 435. (1) 436. (3) 437. (2) 438. (3) 439. (1) 440. (1)
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