com gk

Embed Size (px)

Citation preview

  • 8/10/2019 com gk

    1/5

    1. The earlier computers,

    which were massive in size,

    were based on vacuum tubes.

    2. Early computing machines,

    like the ENIAC, were actually

    meant to assist the armed

    forces.

    3. The printers in pre-1950s

    were punch cards.

    4. An improvement on theENIAC, which pioneered 'stored

    program', was made possible

    with the help of the

    mathematician J ohn von

    Neumann.

    5. Before the 1950s, computerswere mostly owned by

    universities and research

    labs.

    6. The B-programming language

    was developed by Ken Thompson.

    7. Famous people, associatedwith the ENIAC, EDVAC, UNIVAC

    computers are Eckert &

    Mauchly.

    8. The 1st commercially

    produced and sold computer

    (1951) was UNIVAC.

    9. IBM was provided software

  • 8/10/2019 com gk

    2/5

    for PCs by Microsoft.

    10. Time-sharing, teletyping,

    were associated with mainframe

    computers.

    11. The transformation from

    heavy computers to PCs was

    made possible using

    microprocessors.

    12. The first microprocessor

    was developed in 1971 byIntel.

    13. The term 'micro'

    (extremely small) denotes

    10-6m.

    14. The Harvard student, who

    chose to write computerprograms and dropped studies

    was Bill Gates.

    15. A pentium 4 (P-4) employs

    roughly 40 million

    transistors.

    16. Mark-1, Apple-1, andcollossus were initial desktop

    computers.

    17. Binary digits are briefed

    as bit.

    18. A collection of bits is

    called byte.

    19. C++, is a computer

  • 8/10/2019 com gk

    3/5

    language.

    20. The process of eliminating

    programming faults is called

    debugging.

    21. Starting up on operating

    system is called booting.

    22. A program used to browse

    the web is called browser.

    23. An error in software

    designing which can even causea computer to crash is called

    bug.

    24. Click and double-click are

    achieved using the mouse.

    25. J ava, C, ForTran, Pascal

    and BASIC are computerprogramming languages.

    26. The device which sends

    computer data using a phone

    line is called MODEM.

    27. 'Worm' and 'virus' are

    actually programs.28. A 'file' is a unit of

    information.

    29. A megabyte has

    106(million) bytes.

    30. A small, single-site

    network is called LAN.

    31. A processor that collects

  • 8/10/2019 com gk

    4/5

    several data and sends them

    over a single line is called

    bridge.

    32. 'Nano' stands for one

    billionth part.

    33. The number of bit patterns

    using an n-bit code is 2n.

    34. The part of a computer

    that works with the

    data/programs is called CPU.35. To convert a binary number

    to a decimal, we have to

    express it in power of 2.

    36. www stands for world wide

    web.

    37. Mathematics employed incomputers is called Boolean

    algebra.

    38. A collection of 8 bits is

    called byte.

    39. The first home computer

    (1977), which was sold inmillions of units was Apple

    II.

    40. 'PARAM' is a

    supercomputer.

    41. A website containing

    periodic posts is called blog.

    42. While cutting and pasting,

  • 8/10/2019 com gk

    5/5

    the cutitem is temporarily

    stored in the clipboard.

    43. http stands for hyper text

    transfer protocol.

    44. The unwanted or

    non-requested emails are

    called "spam".

    45. A computer framed to give

    various network services is

    calledserver.

    153