8/2/2019 MCA set 5

1/18

8/2/2019 MCA set 5

2/18

8/2/2019 MCA set 5

3/18

8/2/2019 MCA set 5

4/18

8/2/2019 MCA set 5

5/18

8/2/2019 MCA set 5

6/18

8/2/2019 MCA set 5

7/18

Answers

8/2/2019 MCA set 5

8/18

1.

The 2's complement number of 110010 is

A. 001101B. 110011

C. 010011D. None of the above

2.

The purpose of an application program is to

A. Convert program written in high level language to machine languageB. Meet specific user needsC. Allow the operating system to control resources better

D.

Make off-line equpment run better3.

Which of the following translate back from machine code something resembling the source language

A. InterpreterB. CompilerC. AssemblerD. Decompiler4.

Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and findsquare roots?

A. NapierB. BabbageC. PascalD. Leibnitz

5.

Serial access memories are useful in applications where

A. data consists of numbersB. short access time is requiredC. each stored word is processed differentlyD. data naturally needs to flow in and out in serial form

6.

A six - digit card field used for postal ZIP codes is defined as

8/2/2019 MCA set 5

9/18

A. A letter fieldB. An alphabetic fieldC. A numeric fieldD. An alphanumeric field7.

The octal equivalent of the numbei 11010.1011 is

A. 32.15B. 63.51C. 32.27D. All of the above8.

Super-computers

A. Are found at thousands of sites around the worldB. Can now fit on a single silicon chipC. Are usually designed to process accounting applications

D. Are not fast enough for some applications

9.

A special type of device which uses an ordinary telephone with a computer is

A. Light penB. MouseC. Acoustic coupleD. Touch panel

10.

The first electronic general purpose digital computer built by Mauchly and Eckert called ENIAC did notwork on the stored program principle. How many numbers could it store in its internal memory?

A. 100B. 20C. 40D. 80

11.

A hand-held device for optically reading bar codes on goods, labels & shelves is

A. WandB. Touch tabletC. MouseD. Light pen

8/2/2019 MCA set 5

10/18

12.

In analog computer

A. Input is first converted to digital formB. Input is never converted to digital formC. Output is displayed in digital formD. All of the above

13.

The decimal equivalent of the binary number 11100001111 is

A. 1806B. 1807C. 2806D. All of the above

14.

A disk storage medium in the form of an assembly containing a single rigid magnetic disk permenently is

A. f ixed disk B. disk cartridgeC. card punchD. card reader

15.

The benefit of using computers are that

A. Computers are very fast and can store huge amounts of dataB. Computers produce accurate output even when the input is incorrectC. Computers are designed to the inflexibleD. All of the above

16.

Which is a Common-Business oriented language.

A. SNOBOLB. BASICC. COBOLD. C

17.

Software instructions intended to satisfy a user's specific processing needs are called _____.

8/2/2019 MCA set 5

11/18

A. Systems softwareB. A microcomputerC. DocumentationD. Applications software

18.

Which of the following file organizations is most efficient for a file with a high degree of file activity?

A. sequentialB. ISAMC. VSAMD. B-Tree index

19.

What is the name of the reading device which mades use of photosensors and laser technologies to interpret

printed, typed or even hand-written data directly from the source documents?

A. MICRB. OCRC. Mark-sensing deviceD. ATM

20.

A(n) ____ device is any device that provides information which is sent to the CPU.

A. input B. outputC. CPU D. memory

21.

The range of frequencies available for data transmission is known as

A. BaudB. BandwidthC. ByteD. Bits

22. Full adder hasA. 4 inputsB. 8 inputsC. 10 inputsD. 3 inputs

23. Which major development led to the production of microcomputers?A. Magnetic disks

8/2/2019 MCA set 5

12/18

B. Floppy disksC. Logic gatesD. Integrated circuits

24. The first computer made available for commercial use wasA. Mark-IB. ENIAC

C. EDSACD. UMVAC

25. In which mode, each user has a local input/output device.A. InteractiveB. Time sharing modeC. Batch processing modeD. All of the above

.

26.

Sometime data are gathered over a period of time and collected into a group before entering them intoa computer for processing. What type of processing is it called?

A. Interactive processingB. Sequential processingC. Batch processingD. Group processing

27.

Which of the following is considered a direct-entry input device?

A. optical scannerB. mouseC. light penD. digitizer28.

A physical connection between the microprocessor memory and other parts of the microcomputer is knownas

A. PathB. Address busC. RouteD. All of the above

29.

An IBM System/38 represents the computer class of:

A. small-scale computer

8/2/2019 MCA set 5

13/18

B. medium-scale computerC. large-scale computerD. super computer

30.

Which hole is used to mark the location of the first sector in a soft-sectored disk.

A. AddressB. LocationC. IndexD. Label31.

Which system was developed by Rank-Xeron for use with office computers and other equipment.

A. UNIXB. ETHERNET

C. PC-DOSD. MS-DOS32.

Bubble memory is a

A. Sequential access device onlyB. Direct access device onlyC. Combination of sequential and direct access devicesD. All of the above33.

Any method for controlling access to or use of memory is known as

A. Memory mapB. Memory protectionC. Memory managementD. Memory instruction

34.

If, in a computer, 16 bits are used to specify addresses in a RAM, the number of addresses will be

A. 216B. 65,536C. 64KD. Any of the above

35.

What is the storage capacity of a Hollerith card which is organized into nibbles?

8/2/2019 MCA set 5

14/18

A. 32B. 64C. 128D. 240

36.

A type of instruction that can produce several lines of machine language code is a

A. MnemonicB. AddressC. MacroD. assemble37.

A common use of computer in office is for

A. Distributed

B. Word processingC. DataD. All of the above38.

The imitation of one device or system by another is

A. SimulationB. EmulationC. ResilienceD. Compaction

39.

A type of semiconductor memory that usually has small capacity but very fast access is

A. PROMB. RAMC. ScratchpadD. ROM

40.

Third generation computers

A. were the first to use built-in error detecting devicesB. used transistors instead of vacuum tubesC. were the first to use neural network D. None of of the above

8/2/2019 MCA set 5

15/18

41.

High-level languages are not concerned with computer but with

A. AssemblerB. Machine codeC. CompilerD. All of the above42.

Which of the following term is used in connection with the organisation of files in ALGOL 68

A. BlowB. MachineC. BiquinaryD. Book 43.

The methods used by COBOL to define that structure of a data item in terms of characters, digits, etc. is

A. PasswordB. PointerC. PictureD. Overlay44.

Which of the following is a programming language which is used for the development of PASCAL

A. CB. FORTRAN

C. CORALD. MODULA45.

Which of the following transfers data contained on computer cards to the computer system.

A. Card sorterB. Card readerC. Magnetic disk D. Magnetic tape46.

The difference between memory and storages is that memory is _____ and storage is _____

A. Temporary, permanentB. Permanent, temporaryC. Slow, fastD. AH of the above47.

Which most popular input device used today for interactive processing & for the on line entry of data forbatch processing.

8/2/2019 MCA set 5

16/18

A. MouseB. Magnetic disk C. Visual display terminalD. Card punch48.

A fully functional computing device containing all the elements of a computer which is built around aMICROPROCESSOR is known as

A. Machine-in-built computerB. Super computerC. Micro computerD. Mini computer49.

There are historical evidences to prove that abacus was first used in

A. IndiaB. Japan

C. ChinaD. Indonesia50.

A class of random access memory that requires periodic servicing in order for the contents to remain valid is

A. Static RAMB. Dynamic RAMC. PROMD. EPROM51.

The light pen was developed in

A. 1942B. 1976C. 1950D. 199252.

The two main components of the CPU is

A. Control unit and registersB. Control unit and ALUC. Registers and main memoryD. ALU and bus53.

A factor which might cause an individual to consider using a computer in criminal activities is:

A. The computer's access to large sums of moneyB. The speed with which the crime can be accomplishedC. EFTS (Electronic Funds Transfer System)

8/2/2019 MCA set 5

17/18

D. All the above54.

Transmission and presentation of text and graphics is called

A. Tele-textB. Network C. TelematiqueD. Video text55.

Which of the following is directry controlled from a keyboard.

A. Card punchB. Punched paper tapeC. Magnetic disk D. Magnetic tape56.

Which of the following is a machine for reading documents that are encoded in a way that is readable byperson and machine.

A. Document readerB. Distributed systemC. Artificial intelligenceD. Document sorter57.

Which of the following does not affect the resolution of a video display image?

A. bandwidthB. raster scan rateC. vertical and horizontal lines of resolutionD. screen size58.

Which was the first commercial computer built by M.V. Wilkies.

A. Super computerB. LEOC. Mainframe

D. Micro computer59.

Disketts and hard disks are

A. Direct access devicesB. Sequential access devicesC. Slower than magnetic tapeD. Used only in mainframe computers60.

8/2/2019 MCA set 5

18/18

If you see a diskette with a piece of foil covering its notch, it is said to be

A. write-protectedB. copy-protectedC. write-enabledD. f oil-covered

Answer

1 d 2 b 3 d 4 d 5 d 6 c 7 a 8 b 9 c 10 d 11 a 12 b 13 b 14 b 15 a 16 c 17 d 18 a 19 b 20 a

21 b 22 d 23 d 24 d 25b 26 a 27e 28b 29a 30c 31b 32c 33 b 34 d 35 d 36c 37b 38b 39 c 40d

41a 42d 43c 44d 45 b 46a 47c 48c 49c 50b 51c 52b 53d 54d 55a 56a 57d 58b 59a 60a