PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 The arranging of data in a logical service is called Sorting Classifying Reproducing Summarizing
2 Which of the following professions has not been affected by personal computer. Medical Clerical and law Accounting None of above
3 Which of the following magazines covers only the IBM PC and its compatibles. Byte PC magazine Personal computing Interface age
4 Different components on the motherboard of a PC processor unit are linked together by sets or parallel electrical conducting lines What are these lines called. Conductors Buses Connectors Connectively
5 The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. Capacitance keyboard Mechanical keyboard Werty key board Dvorak keyboard
6 In which year's was UK's premier computing event called "The which computer started. 1980 1985 1986 1987
7 Write inserting a diskette into the diskette drive of a PC, the diskette's label side should face East North Up South
8 Which of the following does not affect the resolution of a video display image. Bandwidth Raster scan rage Vertical and horizontal lines of resolution Screen size
9 The terminal device that functions as a cash register computer terminal and OCR reader is the Data collection terminal OCR register terminal Video Display terminal POS terminal
10 The primary advantage of key to tap data entry system is. A large percentage of editing can be performed a the time of data entry Key verification is easily performed The tape is reusable Keying errors can be detected as they occur.
11 Which of the following is not true for a magnetic tape It is expensive relative to magnetic tape it provides only sequential access to stored data. Users can easily update records by writing over the old data All of above
12 A disadvantage of the laser printer is It is uleter than an impact printer It is very slow The output is of a lower uality None of above
13 The advantage of COM are its and Compact size speed readability Compact size speed Readability speed Low cost readability
14 The two basic types of record access methods are. Seuential and random Seuential and indexed Direct and immediate On-line and real time
15 Which of the following file organization is most efficient for a file with a high degree of file activity. Seuential ISAM VSAM B-Tree index
16 Which of the following is true. Fields are composed of bytes Records are composed of fields Fields are composed of charctrs All of above
17 Which of the following are the two main components of the CPU. Control unit and registers Registers and main memory Control unit and ALU ALU and bus
18 In 1830 Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris exhibition in which year was it exhibition. 1820 1855 1870 1860
19 The first firm ot mass market a microcomputer as a personal computer was. IBM Sperry Univac Data general corporation Radio shack
20 An IBM system/38 represents the computer class of. Small scale computer Medium scale computer Large scale computer Super computer
21 A characteristic of card system is. Slowness in processing data Using cards as record of transactions Needing a larger DP staff All of the above
22 In the third generation of computers. Distributed data processing first became popular An operating system was first developed High level prcedu 7 ral language were firs used. On line real time system first became popular
23 In a punched cant system, data is processed by a Keypunch machine sorter and posting machine Accounting machine posting machine, and billing machine Accounting machine keypunch machine and sorter Sorter posting machine and billing machine
24 A modern electronic computer is a machine that is meant for Doing uick mathematical calculations Input storage manipulation and outputting of data Electronic data processing Performing repetitive tasks accurately
25 The proper definition of a modern digital computer is. An electronic automated machine that can solve problems involving words and numbers A more sophistic and modified electronic pocket calculator Any machine that can perform mathmatics operations A machine that works on binary code
26 IBM 7000 digital computer. Belongs to second generation Uses VLSI Employs semiconductor memory Has modular constructions
27 One computer that is not considered a portable is. Minicomputer laptop computer Notebook computer All of above
28 The process of starting a or restarting a computer system by loading instructions form a secondary storage device into the computer memory is called. Duping Booting Padding CPS
29 A term associated with the comparison of processing speeds of different computer system is. EFTS MPG MIPS CPS
30 Which of the following require large computers memory. Imaging Graphics Voice All above
Download This Set

Is this page helpful?