Computer Questions for NICL AO Mains for 2019


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.


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.


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.


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.


IP addresses are converted to ______________.

   A.) A binary string 
   B.) Alphanumeric string 
   C.) A hierarchy of domain names 
   D.) A decimal string 

Answer: Option 'C'

IP addresses are converted to a hierarchy of domain names


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.


What is referred to as the organisation of data as a blueprint of how the database is constructed?

   A.) Primary Key
   B.) Candidate Key
   C.) Schema 
   D.) Cardinality

Answer: Option 'C'

A database schema is the skeleton structure that represents the logical view of the entire database. It defines how the data is organized and how the relations among them are associated.


What is Windows Vista?

   A.) Processor
   B.) Operating System
   C.) Input device
   D.) Memory

Answer: Option 'B'

Windows Vista is an operating system, designed and marketed by Microsoft Inc


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 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.


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


Computer gathers data, which means that they allow users to __________ data.

   A.) Present 
   B.) Input 
   C.) Output 
   D.) Delete 

Answer: Option 'B'

Computer allows user to input data.


An electronic device, operating under the control of instruction that can accept and process the data, produce output and store the results for future use is called _________.

   A.) Input 
   B.) Computer 
   C.) Software 
   D.) Hardware 

Answer: Option 'B'

Computer is an electronic device operating under the control of instruction that can accept and process the data, produce output and store the results.


'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.


FORTRAN is a programming language. It is more suitable for _______.

   A.) business applications
   B.) marketing applications
   C.) scientific applications
   D.) statically calculative applications

Answer: Option 'C'

FORTRAN is the best and only major programming language for scientific applications. It is designed for performing large and complex scientific numerical computing.

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