Information Technology and Cyber Law 2

ഔട്ട് പുട്ട് ഡിവൈസുകളായ മോണിറ്റർ, പ്രിൻറർ എന്നിവയും മെമ്മറി, CPU എന്നിവയുമായി ബന്ധപ്പെട്ട ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ

• Black and White monitor is known as

                 Monochrome Monitor

• CRT stands for

                 Cathode Ray Tube

• Types of modern monitors are

                 TFT-LCD (Thin Film Transistor Loquid Crystal Display), OLED (Organic Light Emitting Diode)

• Example of an input/output device

                 Touch Screen

• Device used to watch TV on computer

                 TV Tuner Card

• Electronic device that converts paper documents into electronic format and transfer them to computer

                 Scanner

• Technology using for processing cheques in banks

                 MICR (Magnetic Ink Character Recognition)

• Printers before 1950 known as 

                 Punch Cards

• Printed copy of a doument is known as 

                 Hard Copy (On papers)

• Non printed copy of a doument is known as 

                 Soft Copy (In an electronic device)

• Fastest printers are of which type

                 Laser printer

• Printers in which printing heads touch on the paper

                 Impact printers

• Examples of Impact printers

                 Dotmatrix printer, Drum printer, Line printer, Chain printer, Character printer, Daisy wheel printer

• Printers in which printing heads do not touch on the paper

                 Non Impact printers

• Examples of Non Impact printers

                 Laser Printer, Inkjet printer

• Major parts of Laser printers

                 Laser beam, toner and a drum

• Output resolution of a printer is measured in

                 DPI (Dots Per Inch)

• CAD stands for

                 Computer Aided Design

• CAM stands for

                 Computer Aided Manufacturing

• Part of computer that controls overall functioning of the computer

                 Central Processing Unit (CPU)

• Which is known as brain of the computer

                 Central Processing Unit (CPU)

• Parts of CPU

                 Arithmetic and Logic Unit (ALU), Control Unit, Memory

• Which is known as Nerve Centre of the computer

                 Control Unit

• Unit which controls and coordinates the functions of all units of a computer

                 Control Unit

• Unit which decode program instructions

                 Control Unit

• Unit which performing all arithmetic and logical operations in computer

                 ALU

• The term associated with the speed of computer

                 MIPS (Million Instructions Per Second)

• Main memory (Primary Mempry) of a computer is

                 RAM (Random Access Memory) and ROM (Read Only Memory)

• Memory which is usually termed as main memory of a computer is

                 RAM

• Memory which loses its data when computer is turned off

                 Volatile memory

• Memory which doesn'tloses its data even after computer is turned off

                 Non-Volatile memory

• Example of volatile memory

                 RAM

• Example of non-volatile memory

                 ROM

• Memory in which data cannot be changed

                 ROM

• Memory which needs periodic refresh

                 DRAM

• Memory external to the computer system is

                 Secondary Memory

• Example of Secondary memory

                 Magnetic Tape, Magnetic discs (Hard disc, Floppy disc), Optical discs, Flash drives

• Activity of creating sectors and tracks on a hard disk is called

                 Formatting

• Normal size of a hard disc drive is

                 512 Bytes

• Hard disc used for storage externally as a substitute for portable storage is called

                 External Hard disk

• Floppy disks discovered by

                 Alan Shugart

• Size of common floppy disk

                 3.5 inch

• 3.5 inch Floppy disks developed by

                 Sony

• 8 inch Floppy disks developed by

                 IBM

• Storage capacity of common floppy disk

                 1.44 MB

• Part of computer where floppy disks are inserted is

                 Floppy disk drives
                                                                             (To be Continued...)