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 Which of the following is problem oriented language. High level language Machine language Assembly language Low level language
2 Which of the following is called low level languages. Machine language Assembly language Both of the above None of these
3 Easily relocatable language is. Machine language Assembly language High level language Medium level language
4 In translator program used in assembly language is called. Compiler Interpreter Assembler Transistor
5 Mnemonic a memory trick is used in which of the following language. Machine language Assembly language High level language None of above
6 Instruction of computer languages consists of OPCODE OPERAND Both of above None
7 Which is directly understood by the computer without translation program. Machine language Assembly language High level language None of above
8 Which of the following is ot computer language. High level language Medium level language Low level language All of the above
9 Software in computer Enhances the capabilities of the hardware machine Increase the speed of central processing unit Both of above None of these
10 Which statement is valid about computer program. it is understood by a computer It is understood by programmer It is understood user Both of above
11 Which statement is valid. 1 KB = 1024 bytes 1 MB = 2048 bytes 1 MB =1000 kilobytes 1 KB = 1000 bytes
12 Binary circuit elements have One stable state Two stable state Three stable state None of above
13 Hard disk is coated in both side above Magnetic metallic oxide Optical metallic oxide Carbon layer All of the above
14 Floppy disk typically in diameter 3 inches 25 inches 5 inches All above
15 Floppy disks are available in Single side single density Single side double density Both of above None of these
16 Latency time is. Time to spin the needed data under head Time to spin the needed data under track Time to spin data under sector All of above
17 Seek time is Time to position the head over proper track Time to position the head over proper sector Time to position the head over proper cylinder None of above
18 Access time is Seek time + latency time Seek time Seek time-latency time Latency time
19 Reading data is performed in magnetic disk by Read Sectors Track Lower surface
20 Storage capacity of magnetic disk depends on Tracks per inch of surface Bit per inch of tracks Disk pack in disk surface All of above
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