Computer GK (To The Points)

first generation of computers~ Vaccum tubes.


to obtain confidential information from you~ Phising scams.


Ms-Dos operating system~ Bill Gates.


first program that run _when computer boots up~ Operating System.


Cache & main memory _lose their contents when power is off because~ volatile.


*VIRUS ~ Virtual Information Resource Under Seize.



*Who built first Mechanical Calculator: Blaise Pascal.



*Purchase of product over Mobile Phone_ transaction:
M-Commerce.



Joystick~ Input Devices
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upto que 20


**founder of Oracle Corporation? Lawrence J. Ellison.



Technology used in CDROM Drive~ Optical.

{Compact Disc Read-Only Memory, an optical disc}



*High Level Language to Machine Level Language~ Compiler.



process to find error in a software code ~ Debugging.



*Specific rules & words _ express logical steps of an algorithm: Syntax.



*device_understand difference b/w Data & programs?Microprocessor.



[Servers] are computers_provide resources to other computers connected to a Network.




In binary language each letter of alphabet, each number and each special character is made up of a unique combination of:

[8 bits.]



*Term 'Pentium'_related to~ Microprocessor.



shortcut key to print~ Ctrl + P.

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Upto Que 40


function calculates largest value_Excel 
=Max()



*AMOLED screen. _Active Matrix Organic Light Emitting Diode.



Information travels b/w components on Mother Board through~ Buses



Most frequently used instructions of a computer program are likely to be fetched from ~ Cache memory





*Horizontal orientation of a page ~Landscape


Defragmentation of Hard drive is done for~ Creating more free spaces


BIOS is? Basic Input Output system



**SMPS: Switched Mode Power Supply


*Device used to carry Digital data on Analog lines~ Modulator


MICR~ Magnetic Ink Character Recognition


Program which translates & executes program at run time line by line ~ Interpreter


FTP ~File Transfer Protocol


DOS~Disk Operating System


Hardware that converts computer's digital signal to an analog signal that can travel over telephone lines is called a? Modem



*__allows wireless mobile devices to access Internet & its services? WAP (Wireless Application Protocol)



A computer-controlled device for training exercises that duplicates the work environment is called? Simulator


*Perforated paper used as input or output media is known as?
Paper tape


Ethernet uses? Bus topology


**IBM 1401 ~Second Generation Computer



**most popular first generation computer? IBM 1650
First Generation computer~ Vaccum tubes and valves


The personal computer industry was started by? IBM (International Business Machine)





Responsibility of the logical unit in the CPU of a computer is? To compare numbers



A device that operates under control of another device is called?Slave



As compared to diskettes, the hard disks are~ More expensive
{A floppy disk, also known as a floppy, diskette, or simply disk}

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