Computer Questions for IBPS RRB PO and Clerk Mains


The layers of the OSI model, from the top down, are:

   A.) application, presentation, session, transport, network, data link, physical
   B.) session, presentation, data transport, MAC, network, physical
   C.) physical, data link, network, transport, session, presentation, application
   D.) presentation, application, session, network, transport, data link, physical

Answer: Option 'A'

Following is the correct order of layers in OSI Model:
Layer 7- Application Layer
Layer 6 –Presentation Layer
Layer 5 – Session Layer
Layer 4 – Transport Layer
Layer 3 – Network Layer
Layer 2 – Data Link Layer
Layer 1 – Physical Layer


Which among the following is a Super computer series developed by Indian scientists?

   A.) Param
   B.) Compaq Presario
   C.) Super30l
   D.) Blue Gene

Answer: Option 'A'

PARAM is a series of supercomputers designed and assembled by the Centre for Development of Advanced Computing (C-DAC) in Pune, India. The latest machine in the series is the PARAM Kanchenjunga.


Identify the volatile storage device amongst the following devices? 

   A.) RAM
   B.) ROM
   C.) Hard disc
   D.) Magnetic tape

Answer: Option 'A'

A volatile device is a device that stores data temporarily. An example of a volatile device is RAM.


These printers do not establish any mechanical contact between the print head and the paper. The examples of such type of printers are  

   A.) line printers, drum printers
   B.) drum printers and dot-matrix printers
   C.) line printers and dot-matrix printers
   D.) inkjet and laser printers

Answer: Option 'D'

Non-impact printer does not establish any mechanical contact between the print head and the paper. The well-known non-impact printers are inkjet and laser printers.


Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information?

   A.) New Disk
   B.) Hard disk
   C.) Permanent disk
   D.) Optical disk

Answer: Option 'B'

A hard disk drive (HDD), hard disk, hard drive or fixed disk is a data storage device used for storing and retrieving digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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