Computer Questions for IBPS RRB PO and Clerk Mains


Bits are packaged into frames at which layer of the OSI model?

   A.) Data link
   B.) Transport
   C.) Physical
   D.) Presentation

Answer: Option 'A'

Bits are PDU of Layer-1 and Frames are PDU of Layer-2 Data Link Layer


Which type of device is used by banking websites to enter the password and prevent keystroke legging?  

   A.) Scanner
   B.) Reader
   C.) Virtual keyboard
   D.) Light Pen

Answer: Option 'C'

A virtual keyboard is used for entering characters in a computer like a regular keyboard. However, unlike a regular keyboard, it is a software component.


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.


Different icons of application software can be found in which bar in latest version of Microsoft Windows?

   A.) Start Menu
   B.) Browser
   C.) Status
   D.) Control Panel

Answer: Option 'A'

Microsoft re-introduced Start Menu bar and you can access various application software through it like paint or Word.


Encryption takes place at which layer?

   A.) application
   B.) presentation
   C.) session
   D.) transport

Answer: Option 'B'

The presentation layer is responsible for the delivery and formatting of information to the application layer for further processing or display. Encryption is also done at this level.


A commonly used graphic format for the Web is  ______.

   A.) TXT
   B.) GIF
   C.) BMP
   D.) TIF

Answer: Option 'B'

The Graphics Interchange Format (GIF) is used to save simple Web graphics having limited colours. This image format is usually used for Web buttons, charts and text headings.


Which of the following is file extension for Word documents?

   A.) WRD
   B.) TXT
   C.) DOC
   D.) FIL

Answer: Option 'C'

'.doc' is a file extension for Word file.


By an intranet we mean:

   A.) a LAN of an organization
   B.) a Wide Area Network connecting all branches of an organization
   C.) a corporate computer network
   D.) a network connecting all computers of an organization and using the internet protocol

Answer: Option 'D'

An intranet is a private network accessible only to an organization's staff.


Which of the following statements is correct about EPROM? 

   A.) It is a type of ROM from which the stored data cannot be erased
   B.) In this memory, data can be erased by electronic emission
   C.) It is a type of RAM
   D.) Ultraviolet rays are used to erase the data stored in the memory

Answer: Option 'D'

Ultraviolet rays are used to erase the data stored in the memory


Which of the following features of Excel allows you to create small charts that you can insert in individual cells?

   A.) Sparkline
   B.) Macro
   C.) Slicer
   D.) All of the above

Answer: Option 'A'

Sparklines are minicharts that you can place inside a cell of a worksheet to represent numerical data.


The amount of memory (RAM or ROM) is measured in __________. 

   A.) bytes
   B.) gigabytes
   C.) megabits
   D.) bits

Answer: Option 'B'

The amount of memory (RAM or ROM) is measured in gigabytes (GB).


How many rows are there in latest version of MS Excel?  

   A.) 65536
   B.) 16,384
   C.) 1,048,576
   D.) 1,050,000

Answer: Option 'C'

In latest version there are 1,048,576 rows by 16,384 columns.


How long is an IPv6 address?

   A.) 32 bits
   B.) 128 bytes
   C.) 64 bits
   D.) 128 bits

Answer: Option 'D'

IPv6 address is 128 bits long.


Which of the following operate at the presentation layer?
1) MIDI 
2) FTP 
3) SMTP 
4) TFTP  

   A.) 1 and 2
   B.) 1, 3, and 5
   C.) 3 and 5 
   D.) 1 and 5

Answer: Option 'D'

MIDI and JPEG are presentation layer specific protocols.


Routers operate at which layer of the OSI model?

   A.) physical
   B.) transport
   C.) network
   D.) MAC sublayer of the data link layer

Answer: Option 'C'

Router functions in the network layer.


HTTP is a/an ________ protocol.

   A.) application layer
   B.) transport layer
   C.) network layer
   D.) Physical Layer

Answer: Option 'A'

The HyperText Transfer Protocol, or HTTP, is the most widely used Application layer protocol in the world today. It forms the basis of what most people understand the Internet to be—the World Wide Web. Its purpose is to provide a lightweight protocol for the retrieval of HyperText Markup Language (HTML) and other documents from Web sites throughout the Internet. Each time you open a Web browser to surf the Internet, you are using HTTP over TCP/IP.


Which of the following computers exhibits the features of both analog the digital computers?  

   A.) Mini computer
   B.) Hybrid computer
   C.) Laptop
   D.) Mainframe computer

Answer: Option 'B'

The computer that exhibits the features of both digital and analog computers is known as a hybrid computer.


What is the maximum number of lines you can set for a Drop Cap?  

   A.) 6
   B.) 10
   C.) 15
   D.) 56

Answer: Option 'B'

A drop cap refers to a large letter positioned at the beginning of a text. It can have the depth of a maximum of ten lines of regular text.


Which of the following is the full-form of ENIAC? 

   A.) Electronic Numerical Integrator and Computer
   B.) Electrical Numerical Integer and Calculator
   C.) Electrical Numerical Integer and Computation
   D.) Efficient Numerical Integrator and Computer

Answer: Option 'A'

ENIAC stands for Electronic Numerical Integrator and Computer


A/(n) ___________ is an object embedded in a web page or email, which unobtrusively (usually invisibly) allows checking that a user has accessed the content.

   A.) email
   B.) web beacon
   C.) virus
   D.) spam

Answer: Option 'B'

Common uses of web beacon are email tracking and page tagging for web analytics. Its alternative names are web bug, tracking bug, tag, or page tag.

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