Basic Computer Knowledge Test Questions and Answers

  • Tit-Bits
    * Machine cycle is defined by the time, it takes to fetch two operands from registers. It perfoems the ALU operation and stores the result in a register.
    * Pipelining improves execution speed by putting the execution steps of several instructions into parallel. It is also called instruction prefetch.
    * Sockets are the connecting points of chip on the motherboard.
    * Generally, Word Computer refers to the central processing unit plus external memory.
    * Load Instruction is used for loading data into CPU accumulator register from memory.
    * The box that comes along with your desktop computer in which all the electronic components of your computer are contained is called system unit.


The first generation computers used ____________ for circuitry.

   A.) Vacuum tube
   B.) Transistors
   C.) Integrated Circuits
   D.) Large Scale Integration

Answer: Option 'A'

Vacuum tube

  • Important Computer Knowledge – Development of computer


    Abacus is known to be the first mechanical calculating device.
    Which was used to be performed addition and subtraction easily and speedily.
    Abacus is made up of the wooden frame in which rod where fitted across with rounds beads sliding on the rod.

    Pascal Calculator

    In the year 1642, Blaise Pascal a French scientist invented the adding machine called Pascal’s calculator, which represents the position of the digit with the help of gears in it.

    Analytical Engine

    A scientist from England knows to be Charles Babbage invented such the machine.
    This device is known as Analytical engine and it is the first mechanical computer.
    It includes such feature which we use in today’s computer language.
    For this great invention of the computer, Sir Charles Babbage is also known as the father of the computer.


He period of First generation computers is

   A.) 1940-1956
   B.) 1940-1958
   C.) 1950-1960
   D.) 1960-2000

Answer: Option 'A'


Basic Computer Knowledge Quiz

  • Father of the computer – Charles Babbage.
    Father of the modern computer – Alan Turing.
    The first computer for the home user introduced – IBM in 1981.
    Basic Architecture of Computer: John Von Neumann (1947-49).
    First Programmer: Lady Ada Lovelace (1880).
    First Electronic Computer: ENIAC (1946) – J.P. Eckert & J.W. Mauchly.

    Full form of Computer:

    * C – Commonly
    * O – Operated
    * M – Machine
    * P – Particularly
    * U – Used for
    * T – Technical
    * E-Education
    * R – Research


He period of Second generation computers is

   A.) 1956-1964
   B.) 1956-1963
   C.) 1957-1970
   D.) 1958-1963

Answer: Option 'B'


Basic Computer Knowledge Quiz

  • Computer – An Introduction

    * A computer is a device that can receive process and store data.
    * However, all computers have several parts in common:
    * Input devices allow data and commands to the computer (Mouse, Keyboard etc.)
    * Memory for storing commands and data.
    * Central Processing Unit which controls the processing.
    * Monitor Process the information in the form of output.

    Characteristics of Computer

    * Speed
    * Accuracy
    * Storage
    * Diligence
    * Versatility
    * Automation

    Peripheral Devices

    * The peripheral device connects to a computer system to add functionality. Examples are a mouse, keyboard, monitor, printer and scanner.
    * A computer peripheral is a device that connects to a computer but is not part of the core computer architecture.
    * The core elements of a computer are the central processing unit, power supply, motherboard and the computer case that contains those three components.

    Types of Peripheral Devices

    * There are many peripheral devices, but they fall into three general categories:
    * Input devices, such as a mouse and a keyboard
    * Output devices, such as a monitor and a printer
    * Storage devices, such as a hard drive or flash drive

    Types of Operating System

    1. A real - time Operating System is a multi tasking Operating System that aims at executing real time applications.
    2. Real - time processing responds to input instantly.
    3. An Operating System which allows multiple users to access a computer system concurrently is known as multi user operating system.
    4. When the Operating System allows the execution of multiple tasks at one time, it is classified as a multi tasking Operating System.
    5. A distributed Operating System manages a group of independent computers and makes them appear to be a single computer.
    6. Embedded Operating Systems are designed to be used in embedded computer systems.
    7. Examples of embedded Operating Systems are Windows 10, UBUNTU and Mac OS X yosemite.
    8. Multi processing Operating System supports running a program on more than one CPU.
    9. Multi threading Operating System allows different parts of a single program to run concurrently.


He period of Third generation computers is

   A.) 1964-1974
   B.) 1964-1977
   C.) 1964-1975
   D.) 1970 Above

Answer: Option 'C'


Basic Computer Knowledge Quiz


e period of Fourth generation computers is

   A.) 1975-1995
   B.) 1975-1989
   C.) 1975-2000
   D.) None of these

Answer: Option 'B'


Basic Computer Knowledge Quiz


Which of the following is a correct format of Email address?

   B.) care@website@com

Answer: Option 'A'

Basic Computer Knowledge Quiz


Which of the following is an example of a binary number?

   A.) W1BFD3
   B.) 45364
   C.) 05546
   D.) 100101

Answer: Option 'D'



The basic unit of a worksheet into which you enter data in Excel is called a

   A.) column
   B.) box
   C.) table
   D.) cell

Answer: Option 'D'


Basic Computer Knowledge Quiz


What is e-commerce?

   A.) Buying and selling international goods
   B.) Buying and selling products and services over the Internet
   C.) Buying and selling products and services not found in stores
   D.) Buying and selling computer products

Answer: Option 'B'

Buying and selling products and services over the Internet


The process of transferring files from a computer on the Internet to your computer is called

   A.) Downloading
   B.) FTP
   C.) Forwarding
   D.) Uploading

Answer: Option 'A'


Basic Computer Knowledge Quiz

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