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11th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Three

11th Standard

    Reg.No. :
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Computer Science

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Optical Mouse invented in the year.

    (a)

    1968

    (b)

    1973

    (c)

    1988

    (d)

    1981

  2. Identify the statement which is wrong?

    (a)

    ALU performs addition, subtraction

    (b)

    ALU controls flow of data between the CPU, memory and I/O devices

    (c)

    Control unit controls the entire operation of computer

    (d)

    The logical operation of ALU promotes the decision making

  3. The base of an octal number system is represented by............

    (a)

    2

    (b)

    8

    (c)

    7

    (d)

    None

  4. Pick the odd one.

    (a)

    BCD

    (b)

    ENIAC

    (c)

    ASCII

    (d)

    EBCDIC

  5. In 8 bit processor, its MDR and the word in the......... memory have bits

    (a)

    16

    (b)

     8

    (c)

     256

    (d)

     64

  6. How many types of operations the instruction set carried out?

    (a)

    6

    (b)

    5

    (c)

    4

    (d)

    More than 6 

  7. The_________ is the major component of a computer, which performs all tasks.

    (a)

    CPU

    (b)

    MDR

    (c)

    MAR

    (d)

    RISC

  8. An average human ear can detect sound waves between ___________.

    (a)

    20 to 200 Hz

    (b)

    20 to 2000 Hz

    (c)

    20 to 20000 Hz

    (d)

    20 to 200000 Hz

  9. Which port is .used to LCD projector.

    (a)

    SCSI

    (b)

    PS/2

    (c)

    Audio

    (d)

    VGA port

  10. The opening screen of Windows is called ______

    (a)

    Window

    (b)

    Workspace

    (c)

    task bar

    (d)

    Desk top

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