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Assistant IT & Cyber Laws

Cyber Laws – 04

കമ്പ്യൂട്ടർ ജനറേഷനുകൾ, ഇൻപുട്ട്, ഔട്ട് പുട്ട് ഡിവൈസുകൾ എന്നിവയാണ് ഇന്നത്തെ പാഠത്തിൽ ഉൾപ്പെടുത്തിയിട്ടുള്ളത്

 

  • Collection of facts and figures are called

Data

 

  • Processed data is called

Information

 

  • A set of actions performed by the computer to convert data into information is called

Data processing

 

  • The word ‘data’ is originated from the Latin word

Datum

 

  • The word ‘Computer’ is originated from the Latin word

Computus

 

  • Switching devices used in the first generation of computers

Vacuum Tubes

 

  • Examples of the first generation of computers

UNIVAC, EDVAC, EDSAC, ENIAC

 

  • Vacuum Tubes are invented by

John A Fleming

 

  • Switching devices used in the Second generation of computers

Transistors

 

  • Examples of the Second generation of computers

IBM 7000, ATLAS, NCR 304

 

  • Transistors are invented by

William Shockley, Walter Brattain, John Bardeen

 

  • Switching devices used in the Third generation of computers

Integrated Circuits

 

  • Examples of the Third generation of computers

IBM 360/370, Honeywell 6000 series

 

  • Switching devices used in Fourth generation of computers

VLSI Micro Processor

 

  • Switching devices used in Fifth generation of computers

ULSI Microprocessor

 

  • The technology used in Fifth generation of computers

Artificial Intelligence

 

  • The computers which can be carried from one place to another are known as

Portable Computers

 

  • First portable micro computer

Osborne I

 

  • Major input devices

Keyboard, Mouse, Joystick, Scanner, Microphone, Digital Camera, Touch Screen, Optical mark reader (OMR), Barcode reader, Magnetic Ink Character Recognition (MICR)

 

  • Major output devices

Monitor, Printer, Speaker, Plotter, Head Phone, Projector

 

  • Which is known as a primary input device

Keyboard

 

  • Which is known as a primary output device

Monitor

 

  • Number of function keys on a keyboard

12

 

  • Largest key on the keyboard

Spacebar

 

  • The key placed at the top left corner of the keyboard

Escape Key (Esc)

 

  • The standard which is used to convert a keystroke to its corresponding bit

ASCII

 

  • ASCII stands for

American Standard Code for Information Interchange

 

  • The normal number of bits in ASCII

7 bit

 

  • No of characters in an 8 bit ASCII

256

 

  • An 8-bit character encoding commonly used in IBM mainframe operating systems

EBCDIC (Extended Binary Coded Decimal Interchange Code)

 

  • Pointing device used in computer

Mouse

 

  • The mouse was invented by

Douglas Engelbert

 

  • The unit used to represent the speed of the mouse

Mickey

 

  • Working of a wireless mouse is based on

Infrared Rays

 

  • The company that developed mouse

Xerox PARC

 

  • The first mouse was marketed by

Apple

 

  • The blinking symbol which indicates the next position of the character is called

Cursor

 

  • The device used for moving the cursor on the screen of a computer is called

Mouse

  • A small figure which depicts some applications on the screen is called

Icon

 

  • The system used for the evaluation of competitive examinations

OMR (Optical Mark Reader)

 

  • Numeric code represented as a series of lines

Barcode

 

  • Input devise for reading bar codes

Barcode Reader

 

  • Resolution of the monitor is associated with

Number of pixels on a monitor

 

  • The smallest controllable element of a picture represented on the screen is known as

Pixel

 

  • Pixel is the short form of

Picture element

 

  • The capability of a sensor to observe the smallest object clearly is called

Resolution

 

  • Image with smaller pixel will have

Higher resolution (Which need more memory)


(To be Continued…)