Monday, April 14, 2014

Computer Fundamental PART 4

Fundamental of Computer

1.  A technique used by codes to convert an analog signal into a digital bit stream is known as
A.            Pulse code modulation
B.            Pulse stretcher
C.            Query processing
D.            Queue management
E.            None of the above
Answer: A

2.  An optical input device that interprets pencil marks on paper media is
A.            OMR
B.            Punch card reader
C.            Optical scanners
D.            Magnetic tape
E.            None of the above
Answer: A

3.  Most important advantage of an IC is its
A.            Easy replacement in case of circuit failure
B.            Extremely high reliability
C.            Reduced cost
D.            Low power consumption
E.            None of the above
Answer: B

4.  Data division is the third division of a _____ program.
A.            COBOL
B.            BASIC
C.            PASCAL
D.            FORTH
E.            None of the above
Answer: A

5.  Which language was devised by Dr. Seymour Cray?
A.            APL
B.            COBOL
C.            LOGO
D.            FORTRAN
E.            None of the above
Answer: C

6. A program that converts computer data into some code system other than the normal one is known as
A.            Encoder
B.            Simulation
C.            Emulator
D.            Coding
E.            None of the above
Answer: A

7. A device designed to read information encoded into a small plastic card is
A.            Magnetic tape
B.            Badge reader
C.            Tape puncher
D.            Card puncher
E.            None of the above
Answer: B

8. A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
A.            Modulator
B.            Demodulator
C.            Modem
D.            Decoder
E.            None of the above
Answer: C

9. A group of magnetic tapes, videos or terminals usually under the control of one master is
A.            Cylinder
B.            Cluster
C.            Surface
D.            Track
E.            None of the above
Answer: B

10. Any device that performs signal conversion is
A.            Modulator
B.            Modem
C.            Keyboard
D.            Plotter
E.            None of the above
Answer: A

11. Codes consisting of light and dark marks which may be optically read is known as
A.            Mnemonics
B.            Bar code
C.            Decoder
D.            All of the above
E.            None of the above
Answer: B

12. A type of channel used to connect a central processor and peripherals which uses multipling is known as
A.            Modem
B.            Network
C.            Multiplexer
D.            All of the above
E.            None of the above
Answer: C

13. The first generation of computers available was based on the bit micro processors.
A.            4
B.            8
C.            16
D.            64
E.            None of the above
Answer: B

14. The complete picture of data stored in database is known as
A.            Record
B.            Schema
C.            System flowchart
D.            DBMS
E.            None of the above
Answer: B

15. Which of the following is intended to be used in all applications runs on mainframe computers.
A.            LOGO
B.            APL
C.            PL/1
D.            OCCAM
E.            None of the above
Answer: C

16. A language which is close to that used within the computer is
A.            High-level language
B.            Assembly language
C.            Low-level language
D.            All of the above
E.            None of the above
Answer: C

17. Which is a unit representing the no bits of discrete.
A.            Baud
B.            Byte
C.            Bit
D.            All of the above
E.            None of the above
Answer: A

18. The device that can both feed data into and accept data from a computer is
A.            ALU
B.            CPU
C.            Input-Output device
D.            All of the above
E.            None of the above
Answer: C

19. The personnel who deals with the computer & its management put together are called
A.            Software
B.            Human ware
C.            Firmware
D.            Hardware
E.            None of the above
Answer: B

20. A modern digital computer has
A.            Extremely high speed
B.            Large memory
C.            Almost unlimited array
D.            All of the above
E.            None of the above
Answer: D

21. Which of the following can store information in the form of microscopic pits on metal disks.
A.            Laser disks
B.            Tape cassettes
C.            RAM cartridge
D.            Punched cards
E.            None of the above
Answer: A

22. A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
A.            Touch panel
B.            Mouse
C.            Wand
D.            Writing tablet
E.            None of the above
Answer: D

23. A storage system for small amounts of data is
A.            Magnetic card
B.            Magnetic tape
C.            Punched card
D.            Optical mark reader
E.            None of the above
Answer: A



No comments:

Post a Comment