Computer MCQs | IT Skills MCQs
INTRODUCTION OF COMPUTER & EVOLUTION OF COMPUTERS
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1. The Term "Computer" is taken from _________.
a) Arabic
b) Latin
c) Greek
d) English
2. Which of the following is the correct abbreviation of COMPUTER?
a) Commonly Occupied Machines Used in Technical and Educational Research
b) Commonly Operated Machines Used in Technical and Environmental Research
c) Commonly Operated Machines Used in Technical and Educational Research
d) Commonly Oriented Machines Used in Technical and Educational Research
3. Which of the following is the correct definition of Computer?
a) The device that can be programmed to perform arithmetical or logic operation sequences automatically.
b) Computers understand only binary language which is written in the form of 0s & 1s.
c) Computers are a programmable electronic device that stores, retrieves, and processes the data.
d) All the things mentioned.
4. The process form of data is known as:
a) String
b) Binary
c) User
d) Information
5. Who is credited with inventing the first complete mechanical computer?
a) Abacus
b) John Napier
c) Charles Babbage
d) Blaise Pascal
6. Analytical engine was invented by:
a) Abacus
b) Charles Babbage
c) John Napier
d) Blaise Pascal
7. Title, father of computer is given to:
a) Charles Babbage
b) Abacus
c) John Napier
d) Blaise Pascal
8. Title, father of calculator is given to:
a) Herman Hollerith
b) Blaise Pascal
c) John Napier
d) Abacus
9. What is the main technology used in 1st generation computers?
a) Transistors
b) Vacuum Tubes
c) Microprocessor (CPU)
d) Integrated Circuits
10. Transistors were the invention of:
a) 4th
b) 3rd
c) 2nd
d) 1st
11. The generation of computers started with using integrated circuits as the basic components.
a) 1st
b) 2nd
c) 4th
d) 3rd
12. Microprocessor (CPU) were the invention of:
a) 1st
b) 2nd
c) 3rd
d) 4th
13. What is the main technology used in fourth generation computers?
a) Transistors
b) Vacuum Tubes
c) Microprocessor (CPU)
d) Integrated Circuits
14. This option is used in locating files or folders on the hard disk of the computer:
a) Folder Option
b) Find/Search
c) Run
d) Setting
15. The bar displayed at bottom of a Window is called:
a) Taskbar
b) Title Bar
c) Menu Bar
d) Toolbar
TYPES OF COMPUTERS
16-1. Which of the following computer type Input is never converted to digital form.
a) Analogue
b) Digital
c) Hybrid
d) None of these
17-2. The computer that processes both analog and digital is called____________?
a) Analogue
b) Hybrid
c) Supercomputer
d) Mainframe Computer
18-3. Which type of computer is used for scientific simulations and weather forecasting?
a) Mini
b) Micro
c) Super
d) Mainframe
19-4. Minicomputers are also known as:
a) Smartphone
b) Pocket-Computer
c) Handheld Computer
d) Mid-range Computer
20-5. Laptop and Desktop computers are example of:
a) Mini
b) Mainframe
c) Super
d) Micro
COMPUTER COMPONENTS (SOFTWARE)
21-1. It is the collection of data & instructions:
a) Hardware
b) Software
c) Both a & b
d) None of them
22-2. Which of the following is designed to control the operations of a computer?
a) User
b) Application Software
c) System Software
d) Utility Software
23-3. It is not a type of application software:
a) Adobe
b) MS-Office
c) SPSS
d) Window 11
24-4. Which of the following is used to complete specific tasks?
a) User
b) System Software
c) Application Software
d) Utility Software
25-5. Software is a set of instructions that allow the computer to do what?
a) Process data
b) Connect to the internet.
c) Operate the hardware.
d) All of the above
26-6. What are the two main categories of software?
a) Hardware and Middleware
b) Application and System Software
c) Utility and Middleware
d) Input and Output Software
27-7. Which of the following is an example of system software?
a) Linux OS
b) Adobe
c) Chrome
d) Microsoft
28-8. Application software is designed to:
a) Perform specific tasks for users.
b) Manage hardware resources.
c) Act as a mediator between hardware and software.
d) None of the above
29-9. What is the primary purpose of system software?
a) Support application software.
b) Perform hardware diagnostics.
c) Provide a platform for other software.
d) All of the above
30-10. Which of the following manages the overall operations of a computer?
a) User
b) Application Software
c) System Software
d) Utility Software
31-11. What type of application software is used to create text documents?
a) Spreadsheet
b) Presentation
c) Database Management
d) Word Processing
32-12. Antivirus software is an example of:
a) Application Software
b) System Software
c) Database Software
d) Utility Software
33-13. The application software that is used for accounting purposes is:
a) Word
b) PowerPoint
c) Excel
d) None of these
34-14. Language translator is a type of:
a) Application Software
b) System Software
c) Database Software
d) Utility Software
35-15. Which of the following is presentation software?
a) PowerPoint
b) Excel
c) Word
d) Outlook
COMPUTER COMPONENTS (HARDWARE-SYSTEM UNIT)
36-1. The physical component of computers is known as:
a) Software
b) Hardware
c) Both A & B
d) None of these
37-2. The unit that controls the computer hardware is:
a) CPU
b) Motherboard
c) Hard Disk
d) Keyboard
38-3. What is the full form of CPU?
a) Computer Processing Unit
b) Computer Principal Unit
c) Control Processing Unit
d) Central Processing Unit
39-4. It is the brain of the computer:
a) RAM
b) ROM
c) Power Supply
d) CPU
40-5. What are the five main components of a computer system?
a) CPU, CD-ROM, Mouse, Keyboard, Sound card
b) Memory, Video card, Monitor, Software, Hardware
c) CPU, Memory, System bus, Input, Output
d) Modem, Keyboard, Word Processor, Printer, Screen
41-6. The central processing unit-CPU is in the _____.
a) Output Unit
b) System Unit
c) Memory Unit
d) Input Unit
42-7. Which of the following is one of the common names used for CPU?
a) Microchip
b) Central Processor Unit
c) Microprocessor
d) All of the above
43-8. ALU stand for:
a) Arithmetic Logic Unit
b) All Logic Unit
c) All Lower Unit
d) Arithmetic Line Unit
44-9. CU Stands for:
a) Central unit
b) Control Unit
c) Control Universe
d) Computer Unit
45-10. Bus is a set of:
a) Connectors
b) Ports
c) Wires/Electric Paths
d) RAM
COMPUTER COMPONENTS (HARDWARE-MEMORY UNIT)
46-1. Generally, there are two types of internal/Primary memory of computer:
a) Registers & Cache
b) RAM & ROM
c) USB & Hard Disk
d) None of them
47-2. What is the primary storage device of a computer?
a) CPU
b) Hard Disk Drive
c) RAM
d) Solid Static Drive
48-3. RAM is known as:
a) Permanent Memory
b) Secondary Memory
c) Both A & B
d) Primary Memory
49-4. RAM slot is located on:
a) CPU
b) Power Supply
c) Motherboard
d) None of these
50-5. It is volatile memory:
a) ROM
b) USB
c) Hard Disk Drive
d) RAM
51-6. RAM stand for:
a) Random Arithmetic Memory
b) Random Access Memory
c) Read Arithmetic Motherboard
d) Read Access Memory
52-7. Which of the following is an example of a secondary storage device?
a) CD-ROM
b) RAM
c) ROM
d) CPU
53-8. ROM stand for:
a) Read Only Memory
b) Request On Motherboard
c) Request On Memory
d) Random Only Memory
54-9. USB stand for:
a) Universal Set Board
b) Universal Sequence Board
c) Universal Satellite Board
d) Universal Serial Bus
55-10. Which of the following is one of the common names used for USB drive?
a) USB
b) Flash Drive
c) Pen Drive
d) All of the above
56-11. Which of the following is the smallest unit of data in a computer?
a) Megabyte-MB
b) Kilobyte-KB
c) Nibble
d) Bit
57-12. Each byte is combination of:
a) Four Bits
b) Six Bits
c) Seven Bits
d) Eight Bits
58-13. Computer memory is measured in terms of:
a) Bytes
b) Nibbles
c) Bits
d) None of these
59-14. Four Bits is equal to:
a) 1 Byte
b) Nibble
c) 1 KB
d) 1 MB
60-15. Which of the following is equal to a gigabyte?
a) 1024 Megabytes
b) 1024 Kilobytes
c) 512 GB
d) 1024 Bits
COMPUTER COMPONENTS (HARDWARE-INPUT/OUTPUT UNIT)
61-1. The device that converts softcopy into hardcopy, is called:
a) Printer
b) Plotter
c) Scanner
d) None of these
62-2. Keyboard, mouse & trackball are examples of:
a) Storage Devices
b) Output Devices
c) Input Devices
d) None of these
63-3. Output displayed on screen is called:
a) Software
b) Softcopy
c) live ware
d) Hardcopy
64-4. Which one of the following is not input device?
a) Keyboard
b) Mouse
c) Speaker
d) Scanner
65-5. Which of the following is an input device?
a) Plotter
b) Printer
c) Speaker
d) Mouse
66-6. Printer & Speaker are examples of:
a) Storage Devices
b) Output Devices
c) Input Devices
d) None of these
COMPUTER NETWORKS
67-1. A group of computers which are connected to each other is called:
a) Internet
b) Network
c) Buses
d) Hardware
68-2. Which of the following is the fastest network?
a) Metropolitan Area Network
b) Personal Area Network
c) Local Area Network
d) Wide Area Network
69-3. Which of the following is the Slowest network?
a) Metropolitan Area Network
b) Personal Area Network
c) Virtual private Network
d) Wide Area Network
70-4. WAN stand for:
a) Width Area Network
b) Web Area Network
c) World Area Network
d) Wide Area Network
71-5. MAN stand for:
a) Metropolitan Area Network
b) Mineral Area Network
c) Mentor Area Network
d) Mile Area Network
72-6. A web browser is used to:
a) Connect hardware
b) Design web pages
c) Access websites
d) Manage files
73-7. WWW stands for:
a) World Wide Web
b) Web Wide World
c) Wide Web World
d) World Web Wide
74-8. URL stands for:
a) Uniform Resource Locator
b) Universal Resource Locator
c) Uniform Retrieval Locator
d) Uniform Reference Link
75-9. Which one is not a web browser?
a) Chrome
b) Firefox
c) Google
d) Safari
76-10. The first page of a website is called:
a) Webpage
b) Home Page
c) Link Page
d) Index Page