PPSC Computer Science Full Book MCQ's test With Answers

PPSC Computer Science Full Book MCQ's test

Sr. # Questions Answers Choice
1 Which of the following devices can be sued to directly image printed text. OCR OMR MICR All of above
2 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-29 Magnum 2000 HCL 3000
3 When was Apple Macintosh it micro computer introduced in the market. 1964 1970 1983 1986
4 The arranging of data in a logical seuence is called. Sorting Classifying Reproducing Summarizing
5 Which of the following professions has not been affected by personal computers. Medical Clinical and law Accounting None of above
6 Which of the following magazines covers only the IBM only the IBM PC and tis compatibles. Byte PC magazines Personal computing Interface age
7 In which year was UK's premier computing event called "The which computer started. 1980 1985 1986 1987
8 While insetting a diskette into the diskette drive of a PC the diskette's label side should face. East North South Up
9 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
10 The terminal device that functions as a cash register computer terminal and OCR redter is the Data collection terminal OCR register terminal Video Display terminal POS terminal
11 The primary advantage of key to tape data entry system is. A large percentage of editing can be performed at the time of data entry Key verification is easily performed The tape is reusable Keying errors can be detected as they occur
12 Which of the following is not true for a magnetic disk. 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
13 A disadvantage of the laser printer is. It is quieter than an impact printer It is very slow The output is of a lower quality None
14 The first machine to successfully perform a long series of arithmetic and logical operations was. ENIAC Mark -1 Analytic engine UNIVAC -1
15 IBS 7000 digit computer. Belongs to second generation Uses VLSI Employs semiconductor memory Has modular constrcutions
16 The process of starting a or restoring a computer system by loading instructions from a secondary storage device into the computer memory is called Duping Booting Padding CPS
17 A term associate with the comparison of processing speeds of different computer system is EFTS MIPS MPG CPS
18 Most of the inexpensive personal computers do not have any disk or diskette drive What is the name of such computes. Home computers Diskless computers Dedicated computers General purpose computers
19 Who is created with the idea of using punch cards to control patters in a waving machine. Pascal Hollerith Babbage Jacuard
20 The subject of cybernetics deals with the science of Genetics Control and communication Molecular biology Biochemistry
21 The digital computer was developed primarnanity in. USSR JAPAN USA UK
22 Today's computer giant IBM was earlier known by different name which was change in 1924 What was the name Tabulator Machine Co Computer Tabulating Recording co The Tabulator Ltd International Computer Ltd.
23 Which of the following registers is loaded with the contents of the memory location pointed by the PC Memory address registers Instruction registers Memory data register Program Counter
24 The most commonly used standard data code to represent alphabetical numerical and punctuation characters used in electronic data processing system is called. ASCII EBCDIC BCD All above
25 A name or number used to identify a storage location devices. A byte A record An address All of above
26 Which is the following is called low level language. Machine language Assembly language Both of above None
27 Easily relocatable language is Machine langage Assembly language High Level language Medium level language
28 The transistor program used in assembly language is called Compiler Assembler Interpreter Transister
29 Machine language is Machine dependent difficult to program Error prone All of above
30 Instruction in computer language consists of OPCODE OPERAND <div>Both of above</div> None
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