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 Liquid Crystal Display), OLED (Organic Light Emitting Diode)
- Example of an input/output device
Touch Screen
- The device used to watch TV on computer
TV Tuner Card
- An electronic device that converts paper documents into electronic format and transfers them to computer
Scanner
- Technology using for processing cheques in banks
MICR (Magnetic Ink Character Recognition)
- Printers before 1950 known as
Punch Cards
- The printed copy of a document is known as
Hard Copy (On papers)
- Non printed copy of a document 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
Dot-matrix 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 the computer that controls overall functioning of the computer
Central Processing Unit (CPU)
- Which is known as the 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
- The unit which controls and coordinates the functions of all units of a computer
Control Unit
- The unit which decodes program instructions
Control Unit
- The unit which performs all arithmetic and logical operations in a computer
ALU
- The term associated with the speed of the computer
MIPS (Million Instructions Per Second)
- Main memory (Primary Memory) of a computer is
RAM (Random Access Memory) and ROM (Read Only Memory)
- Memory which is usually termed as a main memory of a computer is
RAM
- Memory which loses its data when the computer is turned off
Volatile memory
- Memory which doesn’t lose its data even after the 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 a 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
- An activity of creating sectors and tracks on a hard disk is called
Formatting
- The 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
- The storage capacity of a common floppy disk
1.44 MB
- Part of the computer where floppy disks are inserted is
Floppy disk drives
(To be Continued…)