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 metal disks, which are permanently housed in sealed and contamination free containers are called. Hard Disks Floppy disk Winchester disk Flexible disk
2 The silicon chips used for data professing are called. RAM Chips ROM chips Micro processors PROM chips
3 A hybrid compouter Resembles digital computer Resembles analog computer Resembles both a digital and analog computer None of the above
4 A byte consists of One bit Four bits Eight bits Sixteen bits
5 The computer code for the interchange of information between terminals is. ASCII BCD EBCDIC All of above
6 Which is used for manufactruring chips Bus control unit Semiconductors A and b only
7 Which is considered a direct entry input device. Optical scanner Mouse and digitizer Light pen All of the above
8 EBCDIC can code up to how many different charcters. 256 16 32 64
9 The central processing unit CPU consists of Input output and processing. Control unit primary storage and secondary stroage Central unit arithmetic logic unit and primary storage Control unit processing and primary storage
10 Which of the following is not an input device. OCR Optical scanners Voice recognition device COM
11 The storage subsystem in a microcomputer consists mainly of or media with varying capacities. Memory or video Magnetic or optical Optical or memory Video or magnetic
12 Current SIMMs have either or connectore 9 or 32 30 or 70 28 or 72 30 or 72
13 An device is any device that provides information which is sent to the CPU Input Output CPU Memory
14 Which of the following processors use RISC technology. 486 dx Power PC 486 SX 6340
15 The term gigabyte refers to. 1024 bytes 1024 kilobytes 1024 megabytes 1024 gigabytes
16 A directly accessible appointment calendar is feature of a resident package. CPU Memory ALU Buffer
17 An approach that permits the computer to work on several program instead of one is. On line thesaurus Multiprogramming Over lapped processing Outline processor
18 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
19 Time, during which a job is processed by the computer is Delay times Real time Execution time Down time
20 Perforated paper used as input of output media is known as. Paper tapes Magnetic tape Punched papers taps Card punch
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