COMPUTER AWARENESS SET 14

Q1) As compared to diskettes, the hard disks are

    A.    more expensive

    B.    more portable

    C.    less rigid

    D.    slowly accessed

    E.     None of the above

  Answer: A

   NOTE: FLOPPY DISKS are also k/a DISKETTES.

Q2) An optical input device that interprets pencil marks on paper media is

    A.    O.M.R

    B.    Punch card reader

    C.    Optical scanners

    D.    Magnetic tape

    E.     None of the above

   Answer: A

Q3)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

           

Q4) Any device that performs signal conversion is

    A.    Modulator

    B.    Modem

    C.    Keyboard

    D.    Plotter

    E.     None of the above

    Answer: A

Q5)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

Q6) 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

Q7)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

Q8) Compilers and interpreters are themselves

    A.    High-level language

    B.    Codes

    C.    Programs

    D.    Mnemonics

    E.     None of the above

  Answer: C

           

Q9)A compiler means

    A.    A person who compiles source programs

    B.    The same thing as a programmer

    C.    Keypunch operator

    D.    A program which translates source program into object program

    E.     None of the above

 Answer: D

           

Q10)A pen shaped device which can sense light, and is used to point at spots on a video screen.

  A.      Mouse

  B.      Light pen

  C.      Joystick

  D.      Plotter

  E.       None of the above

Answer: B

           

Q11)Computer memory consists of

  A.      RAM

  B.      ROM

  C.      PROM

  D.      All of the above

  E.       None of the above

 Answer: D

           

Q12)A stand-alone system which produces one page of printed output at a time is

  A.      Page printer

  B.      Line printer

  C.      Laser printer

  D.      Dot matrix printer

  E.       None of the above

  Answer: A

           

Q13)A memory that does not change its contents without external causes is known as

  A.      Dynamic memory

  B.      Static memory

  C.      RAM

  D.      EEPROM

  E.       None of the above

Answer: B

Q14)A memory that holds micro programs is

   A.     Core memory

   B.     ROM

   C.     RAM

   D.     Control memory

   E.      None of the above

  Answer: B

           

Q15)The organization and interconnection of the various components of a computer system is

   A.     Architecture

   B.     Networks

   C.     Graphics

   D.     Designing

   E.      None of the above

Answer: A

Q16) Which of the following is the coding of data so that is can't be easily understood if intercepted.

   A.     Barcode

   B.     Decoder

   C.     Encryption

   D.     Mnemonics

   E.      None of the above

  Answer: C

Q17)Which is a device that changes information into digital form?

   A.     Modem

   B.     Digitizer

   C.     Mouse

   D.     Light pen

   E.      None of the above

  Answer: B

           

Q18)Which printer uses a combination of laser-beam & electro photographic techniques.

   A.     Laser printers

   B.     Dot-Matrix

   C.     Line printer

   D.     Daisy wheel

   E.      None of the above

Answer: A

Q19)Control Unit of a digital computer is often called the

  A.      Clock

  B.      Nerve center

  C.      ICs

  D.      All of the above

  E.       None of the above

Answer: B

Q20)The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as

  A.      CPU

  B.      Control Unit

  C.      I/O unit

  D.      Peripheral unit

  E.       None of the above

Answer: A

Q21)Which access method is used for obtaining a record from a cassette tape

A.        direct

B.        sequential

C.        random

D.        All of the above

E.         None of the above

Answer B

Q22)Time during which a job is processed by the computer is

A.        Delay time

B.        Real time

C.        Execution time

D.        Down time

E.         None of the above

Answer C

Q23)Binary numbers need more places for counting because:

A.        0's and 1's can be added in front of them

B.        0's and 1's have to be properly placed

C.        They are always big numbers

D.        Binary base is small

E.         None of the above

Answer: D

           

Q24)Off-line operation is the operation of devices without the control of

A.        Memory

B.        CPU

C.        ALU

D.        Control unit

E.         None of the above

Answer B

Q25)The two kinds of main Memory are:

  A.      Primary and secondary

  B.      Random and sequential

  C.      ROM and RAM

  D.      All of the above

  E.       None of the above

  Answer C
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