ECAT Computer Science Online Test With Answers

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ECAT Computer Science Online Test

Sr. # Questions Answers Choice
1 Testing of each individual program or module is called. program testing volume testing system testing unit testing
2 The software tools that allow a computer to be used for specific purposes are called. firmware terminals hardware application programs
3 Computers that are used in consumer goods, such as cars, are called. enchanced software analog embedded
4 Computers that are used to control temperature and humidity in buildings are considered to be. Software special-purpose non-programmable analytical engines
5 Mainframe computers are capable of communicating with several users simultaneously by. using a terminal using a supercomputer using a workstation timesharing
6 Integrated circuits are housed in. vacuum tubes transistors software silicon chips
7 Which of the following is increasing as computer technology progresses? speed efficiency hardware reliability all of these are inceasing
8 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
9 The instruction that tell the computer what to do are called. software output hardware telecommunication
10 The physical parts of a computer system are called. software input output hardware
11 For calculating taxes, input to a computer could be. numbers representing wages income tax tables all of the above
12 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
13 Examples of pointing devices that are used for computer input are. joysticks mice trackballs all of the above
14 Pictures on a monitor are composed of tiny dots called. a pixels CRTs VDTs elements
15 All of the following are normally input devices except for. a digital camera a mouse an LCD a digitizer (scanner)
16 The smallest unit of information is a(n). byte bit element atom
17 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
18 A built in number that identifies a location in storage. character word byte address
19 A string of binary digits treated as a unit is called a. bit byte word character
20 A group of characters that are treated as a single entity. bit byte word address
21 Which type of computer operates by directly counting numbers. special purpose analog digital hybrid
22 The data obtained by counting are called digital data continuous data analog data discrete data
23 Popular application of flip-flop are. counters shift registers transfer registers all of the above
24 Loading the operating system into a personal computer is called booting prompting interrupting paging
25 TIme-sharing of resources by users is usually. based on time slices based on input event-driven operated by spooling
26 Popular object-oriented languages. Pascal, Modula-3 C++ , Smalltalk LOGO , PROLOG COBOL , BASIC
27 A person who gains illegal access to a computer system. hacker worm software zapper
28 The shortest period of time is a. milisecond nanosecond picosecond microsecond
29 A collection of software that controls the overall operation of a computer is called application software programming language system software operating software
30 A type of computer that is faster because it has fewer instructions. symbolic RISC ASCII-8 ROM burner
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