ECAT Computer Science MCQ's Test For Full Book With Answers

ECAT Computer Science MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Which of the following IC logic family has maximum fan out capacity? TTL DTL MOS CMOS
2 A computer process information as direct by the operator automatically at once gradually and eventually
3 Diodes are used in analog computer circuit as phase shifter rectifier binary logic limiter
4 Pick up wrong statement regarding analog computers Initial conditions during integration operation are imposed in an analog computer during reset mode Differentiators is analog circuit are not popular, became they are incapable of handling noisy ramp signals Memory or storage is an essential component of an analog computer Repetitive operations of analog computers are done to get a display on oscilloscope
5 A typical microcomputer has 64 K memory. It has 65,536 registers,each register storing 1 byte Each register is called memory location address byte word
6 The five basic parts of a computer system are hardware, software, memory,VDU, and magnetic tape store,arithmatic and logic unit, control unit, input device, and output device CPU, ALU,software,firmware, and operating system data bus,control lines,address bus,memory, and printer
7 Most of the errors in computer system could be attributed due to virus programming errors hardware problems data entry errors
8 The fastest type of ADC is time interval parallel closed loop successive
9 A group of electronic, magnetic, or mechanical devices that store data is called register address program software
10 The term 'word' in computer terminology refers to bit formed into groups coded instructions memory size language used
11 Retaining data for future reference is called storing sorting memorizing programming
12 Computer follows a simple rule called GIGO, GIGO stand for good input, good output great instructions, great output garbage in, garbage out gated input, gated output
13 In EBCDIC (extended binary coded decimal interchange code) each character is denoted by 3 bits 4 bits 5 bits 8 bits
14 Super computers are usually designed to process complex scientific applications and the computational speed of the system is most important. Each address in the CRAY-1 holds 16 bits of information 32 bits of information 48 bit of information 64 bits of information
15 NOS refers to network open system booting network operating system round-robin scheduling
16 Another name for virtual memory is virtual page foregound background utility
17 The signal that the computer is awaiting a command from the user prompt time slice event interrupt
18 Prewritten standard file-handling programs are called pull-down menus language supervisors utilities
19 The memory area for programs with highest priority page frames the background shells queues
20 Page frames are typically 1K or 2K bytes 3K or 4K bytes 2K or 3K bytes 2K or 4K bytes
21 Take-a-turn time-sharing spooling interfacing round-robin-scheduling prompting
22 An on-screen picture page NOC icon spool
23 The time between the user's request and the computer's reply concurrent time response time allocation time event time
24 The corresponding memory spaces for pages are called page utility page frames page blocks page modules
25 In multiprogramming, the process of confining each program to certain defined limits in memory is called spooling time-sharing program scheduling memory protection
26 Which one of the following is a graphical shell? UNIX page utility program GUI
27 Another name for an operating environment is page layer shell supervisor
28 A portable operating system generic backup allocated utility
29 An operating system used exclusively with the manufacturer's computer DOS proprietary UNIX NOS
30 The technique whereby part of the program is stored on disk and is brought into memory for execution as needed is called memory allocation interrupts virtual storage prioritized memory
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