PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 The term gigabyte refers to. 1024 bytes 1024 kilobytes 1024 megabytes 1024 gigabytes
2 A directly accessible appointment calendar is feature of a resident package. CPU Memory ALU Buffer
3 An approach that permits the computer to work on several program instead of one is. On line thesaurus Multiprogramming Over lapped processing Outline processor
4 A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as. Super computer Mini computer Macro computer Micro computer
5 Time, during which a job is processed by the computer is Delay times Real time Execution time Down time
6 Perforated paper used as input of output media is known as. Paper tapes Magnetic tape Punched papers taps Card punch
7 Programs designed to perform specific tasks is known as System software Application software Utility programs Operating system
8 To locate a data item for storage is Field Feed Database Fetch
9 Which of the following file organization is most efficient for a file wiht a high degree of the activity. Seuential ISAM VSAM B-tree index
10 Which of the following is ture. Fields are composed of bytes Records are composed of fields Fields are composed of characters All of above
11 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
12 Where was India's first computer installed and when. Indian institute of Technology Delhi 1977 Indian instate of Science Bangalore 1971 Indian Iran & Steel Co. Ltd 1968 Indian Statistical Institute Calcutta 1956
13 Which was the world's first mini computer and when was it indroduced. POP -1 1958 IBM System/36, 1960 PDP - II, 1961 VAX-11/780 , 1962
14 In 1830 Charles Babbage designed a machine called the analytical engine which he showed at the Paris Exhibition in whihc year was is exhibition. 1920 1855 1960 1970
15 The first firs to pass market a micro computer personal computer was. IBM Sperry Univac Data General corporation Radio Shack
16 An IBM system /36 represents the computer class of. Small scale computer Medium scale computer Large-scale computer Super comptuer
17 The first machine to successfully perform a long series of arithmetic and logical operations was ENIAC Mark 1 Analytic engine UNIAVAC-1
18 In a punch card system data is preocesed by a Keypunch machine sorter and posting machine According machine posting machine and billing machine Sorter posting machine and billing machine According machine keypunch machine and sorter
19 An integrated circuit is A complicated circuit An integrating device Much costtier tha an single trnasistor Fabricated on a tiny silicon chip
20 A modern electronic computer is a machine that is meant for. During wick mathematical calculations Input, storage manipulation and outputting data Electronic data processing Performing repetitive tasks accurately
21 The proper definition of a modern digital computer is A electronic automated machine that can solve problems involving words and members. A more sophistic and modified electronic pocket calculator An machine tha tcan perform mathematical operations A machine that works on binary code
22 IBM 7000 digital computer Belongs to second generation Uses VLSI Employs memory Has modular constructions
23 Which of the following memories needs refershing. SRAM DRAM ROM All of above
24 Which of the following is used as a primary storage device. Magnetic drum Prom Floppy All of above
25 The word processing task associated with changing the appearance of a document is. Editing Writing Formatting All of above
26 An application suitable for sequential processing is. Processing of grades Py roll processing Both a and b All above
27 The language that the computer can understand and execute is called. Machine language Application software System program All of above
28 What does the disk drive of a computer do. Rotate the disk Read the disk Load a program from the disk into the memory Both B and C
29 What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson. AX3/33 NEC-20 Magnum 2000 d HCl -3000
30 When was Apple Macintosh II microcomputer introduced in the market. 1964 1970 1983 1986
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