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 Integrated circuits are housed in. vacuum tubes transistors software silicon chips
2 Which of the following is increasing as computer technology progresses? speed efficiency hardware reliability all of these are inceasing
3 The first few working computers. were all made by American scientists were used almost exclusively for text processing generally had black and white CRT screen were, for the most part, developed for wartime uses
4 The instruction that tell the computer what to do are called. software output hardware telecommunication
5 The physical parts of a computer system are called. software input output hardware
6 For calculating taxes, input to a computer could be. numbers representing wages income tax tables all of the above
7 What is telecommuting? a special form of electronic mail a new trend in roboties that may take the place of cars a trend towards working at home using personal computers and modems none of these
8 Examples of pointing devices that are used for computer input are. joysticks mice trackballs all of the above
9 Pictures on a monitor are composed of tiny dots called. a pixels CRTs VDTs elements
10 All of the following are normally input devices except for. a digital camera a mouse an LCD a digitizer (scanner)
11 The smallest unit of information is a(n). byte bit element atom
12 In the computer world, the word digital means information that is in. discrete units units that can be counted continuous , smooth form a and b
13 A built in number that identifies a location in storage. character word byte address
14 A string of binary digits treated as a unit is called a. bit byte word character
15 A group of characters that are treated as a single entity. bit byte word address
16 Which type of computer operates by directly counting numbers. special purpose analog digital hybrid
17 The data obtained by counting are called digital data continuous data analog data discrete data
18 Popular application of flip-flop are. counters shift registers transfer registers all of the above
19 Loading the operating system into a personal computer is called booting prompting interrupting paging
20 TIme-sharing of resources by users is usually. based on time slices based on input event-driven operated by spooling
21 Popular object-oriented languages. Pascal, Modula-3 C++ , Smalltalk LOGO , PROLOG COBOL , BASIC
22 A person who gains illegal access to a computer system. hacker worm software zapper
23 The shortest period of time is a. milisecond nanosecond picosecond microsecond
24 A collection of software that controls the overall operation of a computer is called application software programming language system software operating software
25 A type of computer that is faster because it has fewer instructions. symbolic RISC ASCII-8 ROM burner
26 If a FORTRAN program begin with statement
INTEGER SALARY, PROFIT,LOSS
Then through the program integer variables will be represented by
 SALARY PROFIT LOSS All of the above
27 Identify the legal FORTRAN arithmetic assignment statement? X = a+b +<u>1</u> 0.75 = A - B<sup>c</sup> SN - a * (1-r **n) / (1 - r) NET + PR = SALE - COST
28 Which of the following variable name is legal? PAK 123 A * B COMPUTER A/B
29 Which of the following FORTRAN statement is valid? DIST=VELO * + TIME HYP ** 2=BASE **2 + PERP ** 2 X = X +1.0 SAL + COMM = 180.0 + PROFIT
30 The FORTRAN equivalent of the mathematical expression ab/cd is. A * B / C * D A.B / C.D A * B / (C*D) A*B/B*D
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