ECAT Computer Science Online Test With Answers

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ECAT Computer Science Online Test

Sr. # Questions Answers Choice
1 The main advantage of analog computers compared to digital computers is that they are more. efficient in continuous calculations such as differentiation and integration efficient in handling vast data accurate and precise reliable
2 IBM-1401, CDC-6600, IBM-7030 etc. belong to the. first generation computers second generation computers third generation computers fourth generation computers
3 PDP-5,PDP-8,IBM-360 series and IBM-370 series belong to the. first generation computers second generation computers third generation computers fourth generation computers
4 An analog computer produces its results in the form of. numbers codes of '0's and '1's log format graphs
5 Pick up the wrong statement in the analogy of mechanical and electrical devices. resistance is analog of damping inductance is analog of mass capacitance is analog of spring charge is analog of displacement
6 The accuracy of analog computers as compared to digital computer is. more less nearly same unpredictable
7 An integrated circuit is. a complex circuit an integrating device fabricated on a tiny silicon chip another name for chip
8 The disadvantage of analog computer over the digital computer lies in its. set up being closely resembling the physical system having parallel structure and low cost being readily tied up with a physically system without using expensive inter phase need for scaling, limited number of units, limited accuracy
9 The focus of the fifth generation is. connectivity symbolic languages silicon memory chips
10 The general-purpose processor on a chip is otherwise known as the. ENIAC minicomputer pocket calculator microprocessor
11 IBM's System/360 family of computers was introduced during the. 1950s third generation second generation 1990s
12 Primary storage for the UNIVAC was via punched cards transistors magnetic cores disk packs
13 Most mainframe computers are basically. 4 bit machines 8 bit machines 32 bit machines 16 bit machines
14 First-generation computers were characterized by the use of the. microprocessor vacuum tube transistor integrated circuit
15 Hellerith's Tabulating Machine company eventually became. IBM AT & T Apple General Electric
16 The ENIAC, using ABC principles, was designed by. Charles Babbage Bell Laboratories John V. Atanasoff Mauchly and Eckert
17 The first digital computer to work electrically was the. UNIVAC Atanasoff-Berry Computer Mark I analytical machine
18 The Mark I was built by. Thomas Watson Dr. John Mauchly Howard Aiken Howard Aiken
19 The first computer to use electrical power was developed by. Herman Hollerith Thomes J. Watson John V. Atanasoff Howard Aiken
20 Who is regarded as the Father of computers. John Napier Pascal Charles Babbage Hollerith
21 A hybrid computer is the one having combined properties of. Super and microcomputers Mini and microcomputers Analog and digital computers None of the above
22 The analog computer deal directly with. number or pulses measured values of continuous physical magnitudes signals in the form of 0 or 1 signal in discrete values form 0 to 9
23 An analog computer can be worked directly with. magnetic tapes punched card magnetic disk none of the above
24 The use of computer for business applications is attractive because of its/ accuracy reliability speed all of the above
25 Binary coded decimal number express each decimal digit as binary degits nibble word byte
26 A digital compute performs its computations by mechanical means analogy guessing counting
27 Stored instructions and data in a digital computer consist of. alphabets numerals characters bits
28 Pick out the wrong statement about computers. it is a logical machine it can access any piece of information that it has in store it is devoid of emotion, has no feelings or instincts it approaches its information is unrestricted manner
29 The major generational problem of the early first generation computers was inaccurate results poor reliability delayed results limited capabilities
30 Electronic Numerical Integrator and Calculator (ENIAC machine) belongs to the first generation digital computer second generation computer third generation computer fourth generation computer
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