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 first electronic general purpose digital computer built by Motley and accrete called ENIAC did not work on the strode program concept How many numbers could it stored in its internal memory. 100 20 40 80
2 When did IBM introduced the 80286 based PC/AT 1982 1984 1985 1989
3 How many address lines are needed to address each memory location in a 2048 x 4 memory chip. 10 11 8 12
4 Microprocessors can be sued to make Computer Digital csystem Calculators All of the above
5 Which of the following register is used to keep track of address of the memory location where the next instruction is located. Memory address register Memory data register Instruction register Program counter
6 Offline device is A device which is not connected to CPU A device which is connected to CPU A direct access storage device An I/O device
7 Which was the computer conceived by Babbade. Analytical engine Arithmetic machine Donald Knuth All of abvoe
8 The most commonly used standard dta code to represent alphabetical numerical and punctuation characters used in electronic data processing system is called. ASCII BCD EBCDIC All of above
9 The first electronic computer in the world was. UNIAC ENIAC EDVAC All of abvoe
10 The octal equivalence of 111010 is 81 72 71 None of these
11 A floppy disk contains Circular tracks only Sectors only Both circular tracks and sectors All of the above
12 The difference between memory and storage is that memory is and storage is. Temporary permanent Permanent temporary Slow ,fast All of above
13 Which of the following is secondary memory device. Keyboard Disk ALU All of above
14 A name or number used to identify a storage location is called. A byte A record An address None of above
15 CD-ROM Is a semiconductor memory Memory register Magnetic memory none of the abvoe
16 A compute programmer Does all the thinking for a computer Can enter input data quickly Can operate all types of computer equipment Can draw only flowchart
17 Computer operator Writes computer program for specific problems Operate the device which input and output data from the computer. Normally require a college degree in computer science All of the above
18 Computer instructions Witten with the use of English words instead of binary machine code is called. Mnemonics Symbolic code Gray codes Opcode
19 Which computer memory is used for string programs and data currently being processed by the CPU. PROM Mass memory Internal memory Non volatile memory
20 Which one of the following input device is user programmable. Dumb terminal Smart terminal VDT Intelligent terminal
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