Hard disk in a computer is

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IPRC ISRO Technical Assistant Electronics 10 Dec 2016 Official Paper
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  1. Temporary magnetic storage
  2. Permanent magnetic storage
  3. High capacity optical disk storage
  4. High capacity CDROM

Answer (Detailed Solution Below)

Option 2 : Permanent magnetic storage
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The correct answer is Permanent magnetic storage.

Hard disk: 

  • A hard disk drive (sometimes abbreviated as a hard drive, HD, or HDD) is a non-volatile data storage device.
  • Hard disk, Magnetic storage medium for a microcomputer. 
  • Hard disks are flat, circular plates made of aluminum or glass and coated with magnetic material. 
  • Hard disks for personal computers can store up to several gigabytes (billions of bytes) of information.

Important Points

Short Form

Full-Form

AMD

Advanced Micro Devices

ATA

Advanced Technology Attachment

ATX

Advanced Technology Extended

CD

Compact Disc

CD-ROM

Compact Disc-Read-Only Memory

CD-RW

Compact Disc-Rewritable

Computer

Commonly Operated Machine Particularly Used In Technical And Educational Research

CPU

Central Processing Unit

DVD

Digital Versatile Disc

DVD-RAM

Digital Video Disc-Random Access Memory

DVD-ROM

Digital Video Disc-Read Only Memory

DVD-R

Digital Video Disc-Recordable

DVD-RW

Digital Video Disc-Rewritable

DDR

Double Data-Rate

DDR RAM

Double Data-Rate Random Access Memory

FDD

Floppy Disk Drive

HDD

Hard Disk Drive

HDMi

High Definition Media Interface

IDE

Integrated Drive Electronics

LCD

Liquid Crystal Display

LED

Light Emitting Diode

RAM

Random Access Memory

ROM

Read Only Memory

HDD

Hard Disk Drive

FDD

Floppy Disk Drive

PCI

Peripheral Component Interconnect

SSD

Solid State Disk

SMPS

Switch Mode Power Supply

USB

Universal Serial Bus

VGA

Video Graphics Array

VRAM

Video Random Access Memory

 

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