PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test With Answers

PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test

Sr. # Questions Answers Choice
1 The language that the computer can understand and execute is called. Machine language Application software System program All of above
2 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
3 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
4 When was Apple Macintosh II microcomputer introduced in the market. 1964 1970 1983 1986
5 The arranging of data in a logical service is called Sorting Classifying Reproducing Summarizing
6 Which of the following professions has not been affected by personal computer. Medical Clerical and law Accounting None of above
7 Which of the following magazines covers only the IBM PC and its compatibles. Byte PC magazine Personal computing Interface age
8 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
9 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
10 In which year's was UK's premier computing event called "The which computer started. 1980 1985 1986 1987
11 Write inserting a diskette into the diskette drive of a PC, the diskette's label side should face East North Up South
12 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
13 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
14 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.
15 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
16 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
17 The advantage of COM are its and Compact size speed readability Compact size speed Readability speed Low cost readability
18 The two basic types of record access methods are. Seuential and random Seuential and indexed Direct and immediate On-line and real time
19 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
20 Which of the following is true. Fields are composed of bytes Records are composed of fields Fields are composed of charctrs All of above
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