Computer Questions for NICL AO Mains for 2019


Who is the father of computers?

   A.) Ada Byron 
   B.) Charles Babbage 
   C.) Blaise Pascal 
   D.) Herman Hollerith 

Answer: Option 'B'

Charles Babbage is the father of computers.


What does BASIC stands for? 

   A.) Beginner’s All-purpose Simple Instruction Code 
   B.) Beginner’s All-purpose Symbolic Intention Code
   C.) Beginner’s All-purpose symbolic Instruction code 
   D.) Beginner’s All-purpose Symbolic Instruction Cell

Answer: Option 'C'

BASIC stands for Beginner’s All-purpose symbolic Instruction code.


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

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

Answer: Option 'B'

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


Functions of keys F1, F2 and F3 are _____________ respectively.

   A.) activating menu bar, search and renaming selected icon
   B.) search, reboot and activating menu bar
   C.) activating help, renaming selected icon and search
   D.) reboot, activating help and refresh

Answer: Option 'C'

Functions of keys F1, F2 and F3 are activating help, renaming selected icon and search respectively.


What does MAN stands for?

   A.) Micro area network
   B.) Metropolitan area network
   C.) Macro area network
   D.) Mix area network

Answer: Option 'B'

MAN is abbreviation for Metropolitan Area Network.


A micro-computer is a small, relatively inexpensive computer with a microprocessor. Which is the first micro-computer?  

   A.) Z2
   B.) Titan-1
   C.) MARK-B
   D.) Altair 

Answer: Option 'D'

The Altair is widely recognized as the spark that ignited the microcomputer revolution as the first commercially successful personal computer.


Which of the following statement is closely related to Hypertext?

   A.) Text stored in the memory of the computer
   B.) A system of managing textual Information by creating associations between different documents
   C.) Special text used in Internet developing package
   D.) Text displayed on the screen of the computer

Answer: Option 'B'

Hypertext is text which contains links to other texts.


Which of the following is a term related with scanner?  

   A.) Laser 
   B.) TWAIN
   C.) Cartridge 
   D.) Both (a) and (b)

Answer: Option 'D'

Laser is the term related with scanner as there are laser scanners. TWAIN is an applications programming interface (API) and communications protocol that regulates communication between software and digital imaging devices, such as image scanners. It is a widely-used program that lets you scan an image (using a scanner) directly into the application.


The word “Computer” comes from the word “compute”, which means ______.  

   A.) To assume 
   B.) To input 
   C.) To combine 
   D.) To calculate 

Answer: Option 'D'

Compute means to calculate.


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.


Which of the following conditions is responsible for occurrence of context switching?

   A.) When one process expires and a new one is loaded from a ready queue
   B.) No processes are in the ready queue
   C.) When a process is running
   D.) When the CPU is at rest

Answer: Option 'A'

A context switching comes into the picture when the time period provided for one process is over and a new process is loaded from the ready queue for processing.


Who is called the father of modern computing?

   A.) Charles Babbage 
   B.) Hollerith
   C.) Gottfried von Leibnitz
   D.) Joseph M. jacquard

Answer: Option 'A'

Charles Babbage is the father of modern computing. He was also the inventor of Analytical engine and difference engine.


Which of the following are considered to be the upper layers in the OSI Model?

   A.) presentation and session
   B.) application and presentation
   C.) application, presentation, and session
   D.) application, presentation, data-link, and transport

Answer: Option 'C'

The last three layers of the OSI model – Application, Presentation and Session layers are considered to be the upper layers.


Type _______to start a numbered list, and then press SPACEBAR or the TAB key.

   A.) 1# 
   B.) 1$
   C.) 1. 
   D.) 1*

Answer: Option 'C'

1. -> Spacebar -> enter, will start numbered list.


The smallest unit of information, a computer can understand and process is known as ________.

   A.) Digit 
   B.) Byte 
   C.) Megabyte 
   D.) Bit 

Answer: Option 'D'

Bit is the smallest unit of information.


Which of the following supports 32-bit processor?

   A.) Windows 2000 
   B.) Windows 7
   C.) Windows 8.1
   D.) All of the above

Answer: Option 'D'

All of the given options support 32-bit processor


Which among the following is the smallest unit of storage:

   A.) Byte 
   B.) Bit
   C.) Bug
   D.) Nibble 

Answer: Option 'B'

Bit is smallest unit of storage, Nibble= 4Bits, Byte= 8Bits. 


'Ctrl +Esc' is the shortcut key combination for?

   A.) Shows the start menu 
   B.) shows the format menu
   C.) Shows the tools menu
   D.) shows the insert menu

Answer: Option 'A'

'Ctrl +Esc' is used to show the start menu.


The process of a computer receiving information from a server on the internet is known as _______.

   A.) Browsing 
   B.) Upload 
   C.) Download 
   D.) All of these 

Answer: Option 'C'

Downloading is the process of a computer receiving information from a server.


IP addresses are converted to ____________.

   A.) a bit
   B.) alphanumeric string
   C.) a hierarchy of domain names
   D.) TCP

Answer: Option 'C'

IP addresses are converted to a hierarchy of domain names.

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