Q1 What is required when more than one person uses a central computer at the same time?A. Light pen B. mouse C. digitizer D. terminal |
Q2 A hard copy would be prepared on aA. line printer B. dot matrix printer C. type writer terminal D. all of the above |
Q3 Which of the following input/output devices is not associated with personal computers?A. mice B. color monitors C. punched cards D. dot-matrix printers |
Q4 A typical personal computer used for business purposes would have ___________ of RAMA. 4K B. 16K C. 64K D. 256K |
Q5 The word length of a computer is measured inA. bytes B. millimeters C. metres D. bits |
Q6 Multi-user systems provide cost savings for small business because they use a single processing unit to link severalA. personal computers B. workstations C. dumb terminals D. mainframes |
Q7 What are the three decision-making operations performed by the ALU of a computer?A. Greater than B. Less than C. Equal to D. All of the above |
Q8 What part of the computer is used for calculating and comparing?A. disk unit B. control unit C. ALU D. modem |
Q9 Can you tell what passes into and out from the computer via its ports?A. data B. bytes C. graphics D. pictures |
Q10 What is the size of the diskettes used by IBM's newer PS/2 personal computers?A. 5.5" B. 8" C. 3.5" D. 2.5" |
Q11 The computer memory holds data andA. bytes B. program C. registers D. bits |
Q12 In computer technology, what is meant by the phrase "state-of-the-art"?A. up-to-date B. best C. latest D. all of the above |
Q13 The checking operation performed on input data is called theA. validation of data B. verification of data C. cross check D. control of data |
Q14 The most expensive component in a computer system is itsA. hardware B. peripherals C. software D. none of the above |
Q15 In digital data transmissionA. baud rate is equal to bit rate B. baud rate is always smaller than the bit rate C. baud rate is always higher than the bit rate D. none of the above |
Q16 Information retrieval is fastest fromA. Floppy disk B. magnetic tape C. hard disc D. all of the above |
Q17 The process of entering data into a storage locationA. adds to the contents of the location B. cause variation in its address number C. is known as a readout operation D. is destructive of previous contents |
Q18 A magnetic tape volume that is used on a data processing operation without any changeA. magnetic disk B. punched paper tape C. master tape D. card reader |
Q19 Allocator and manager of memory in an operating system isA. keyboard B. key punch C. kernel D. kludge |
Q20 Super-computersA. 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 |
Q21 A data item which is not broken down into smaller units is ..A. data element B. elementary data item C. data entry D. database management |
Q22 Which of the following is a particular form of magnetic tape cartridge?A. card punch B. optical mark reader C. digital cassette D. punched paper tape |
Q23 A hardware used for virtual memory allocation isA. CPU B. base-bound register C. controller D. register unit |
Q24 Most computers understand programs written inA. natural english language B. BASIC C. any high-level programming language D. specific programming language |
Q25 A way of checking the data have been moved or stored correctly isA. password B. prestel C. parity D. modem |
Q26 The floppy disk of diskette was first developed in earlyA. 1970 B. 1965 C. 1960 D. 1976 |
Q27 A sequence of one or more character isA. group B. string C. block D. field |
Q28 One megabyte isA. 1048576 bytes B. 211000 bytes C. 102756 bytes D. 81100 bytes |
Q29 A secondary storage device with immediate access to any part of the stored data isA. direct access device B. printer C. keyboard D. punched card |
Q30 A computer in which data is represented by a continuously variable physical quantity isA. Digital computer B. analog computer C. Hybrid computer D. Machine-in-built computer |
Q31 A digital device that process data is known asA. data processor B. data entry C. DBMS D. database |
Q32 Which of the following can be used to control the movement of a cursor on a video screen?A. Mouse B. OCR C. Card punch D. Joystick |
Q33 In digital computer, all the expressions are coded intoA. octal digits B. binary digits C. hexadecimal digits D. decimal digits |
Q34 The track capacity of a single density floppy disk driver isA. 360 bytes B. 1105 bytes C. 2560 bytes D. 180 bytes |
Q35 the display size of the typical visual display screen isA. 80 columns wide by 24 B. 40 columns wide by 20 C. 15 columns wide by 10 D. 60 columns wide by 30 |
Q36 Number system with base 2 having two distinct levels is known asA. decimal B. binary C. octal D. hexadecimal |
Q37 Any storage device added to computer beyond the immediately usable main storage is known asA. floppy disk B. hard disk C. backing store D. punched card |
Q38 A computer peripheral that prints one line of output at a time is known asA. dot matrix printer B. daisy wheel printer C. line printer D. serial printer |
Q39 Which type of computers are known as Z1 ,.Z2?A. personal B. electrical C. electronic D. mechanical |
Q40 An operating system intended for use microprocessor based system that support a single user isA. PC-DOS B. MS-DOS C. UNIX D. CP/M |
Q41 The report card and merit list forms theA. output data B. data processing C. central processing D. input data |
Q42 Which is an input device?A. tape puncher B. teleprocessing terminal C. card puncher D. optical printer |
Q43 Programmed instructions to the computer is known asA. data B. code C. documentation D. database |
Q44 Which printer uses a combination of laser-beam and electro photographic techniques?A. laser printers B. dot-matrix C. lineprinter D. daisy wheel |
Q45 Which of the following is a displayed listing of program option that users can select?A. menu B. block C. data item D. file |
Q46 What is the acronym for Single In-Line Memory module?A. SIMM B. SILMM C. SM D. SMM |
Q47 Which type of memory is for information that DOES CHANGE on your computer?A. RAM B. ROM C. ERAM D. RW/RAM |
Q48 A data structure consisting of several fields, some or all of which are instances of the same data structure, is a calledA. field B. bead C. database D. data collection |
Q49 During the data gathering phase of the system analysis stepA. program flow-charts are often prepared B. the system design specifiations are outline C. a number of specialized forms may be prepared D. a standards manual is of little use. |
Q50 Most computers have have secondary storage devices that are connected .. To the procesor and are thus able to accept data directly from and return data directly to the processor.A. special B. onlin C. off-line D. multi |
Q51 Which of the following is a term meaning that if a particular program is given bad data for input, it will produce bad results for output?A. FIFO B. LOGO C. ADA D. GIGO |
Q52 A device which uses magnetic tape cartridges to read or record information at 340,000 alphanumeric characters per second isA. magnetic tape B. hypertape drive C. card punch D. magnetic disk |