Computer Fundamental MCQ Questions and Answers | Lok Sewa Aayog | Computer Operator

This is another Loksewa computer operator exam preparation MCQ SET 2. This post helps you to improve your knowledge for losing a yoga computer operator. You can download it as a PDF file and read it whenever or wherever you want.
1. Transistor was invented in the year |
- 1945
- 1946
- 1947
- 1948
Answer:- d) 1948
2. Which of the following is part of the Central Processing Unit |
- Arithmetic Logic Unit
- Mouse
- Printer
- Keyboard
Answer:- a) Arithmetic Logic Unit
3. Which of the following memories needs refresh? |
- DRAM
- SRAM
- ROM
- RAM
Answer:- a) DRAM
4. Which of the following is still useful for adding numbers? |
- EDSAC
- ENIAC
- Abacus
- UNIVAC
Answer:- c) Abacus
5. Which of the following is a main memory? |
- Virtual memory
- Secondary memory
- Auxiliary memory
- Cache memory
Answer:- d) Cache memory
6. What is the function of control unit in CPU? |
- To perform logic operations
- To decode program instructions
- To stop program instruction
- To transfer data to primary storage
Answer:- b) To decode program instructions
8. The arranging of data in a logical sequence is called ___ |
- Reproducing
- Summarizing
- Sorting
- Classifying
Anser:- d) Sorting
9. For a browser to connect resources, the location or address of the resources must be specified. These address are called |
- URLs
- MSN
- E-mail forms
- Packets
Answer:- a) URLs
10. A computer has no more sense than a light |
- Pen
- Pad
- Bulb
- Switch
Answer:- d) Switch
11. ____ is/are the responsibility (is) of the logical unit in the CPU of a computer.
- To predict output
- To compare data
- To save work
- To control the information
Answer:- b) To compare data
12. Which of the following is also refers to Wireless speakers? |
- Portable Speakers
- Compatible Speakers
- Reliable Speakers
- Comfortable Speakers
Answer:- a) Portable Speakers
13. A part located in the central processing unit that stores data and information is known as |
- Core memory
- EPROM
- PROM
- ROM
Answer:- a) Core memory
14. A byte can hold one ___ of data. |
- Kilobyte
- Bit
- Character
- Binary digit
Answer:- c) Character
15. On which of the following storage devices data is stored permanently for long time and stored data read by a beam of laser? |
- Pen Drive
- DVD
- Hard Disk
- Floppy Disk
Answer:- b) DVD
16. What is used to convert the program written in assembly language into machine language? |
- Assembler
- Compiler
- Interpreter
- None of the above
Answer:- a) Assembler
17. Stored instructions and data in digital computers consists of |
- Alphabets
- Numerals
- Characters
- Bits
Answer:- d) Bits
18. The access method used for cassette tape is |
- Sequential
- Direct
- Random
- None of these
Answer:- a) Sequential
19. A floppy disk contains |
- Sectors only
- Both circular tracks and sector
- Circular tracks only
- All of the above
Answer:- b) Both circular tracks and sector
20. Modern computers compared to earlier computers are |
- Faster and larger
- Larger and stronger
- Less reliable
- Faster and smaller
Answer:- d) Faster and smaller
21. Who coordinate the sequencing of events within the central processor of a computer? |
- Register
- Control unit
- Arithmetic unit
- Logic unit
Answer:- b) Control unit
22. The device, which is used to convert digital data into analog form and vice-versa is called as ___ |
- Joystick
- Light pen
- Keyboard
- Modem
Answer:- d) Modem
23. A computer programming language often used by children is |
- BASIC
- LOGO
- PASCAL
- PILOT
Answer:- b) LOGO
24. The computer memory used for temporary storage of data program is called |
- EROM
- ROM
- RAM
- EPROM
Answer:- c) RAM
25. The part of the CPU that access and decode program instructions and coordinates the flow of data among various system components is the |
- Motherboard
- Megahertz
- Control unit
- ALU
Answer:- c) Control unit
26. Which of the following can store information in the form of microscopic pits on metal disks. |
- Ram cartridge
- Laser disks
- Punched cards
- Tape cassettes
Answer:- d) Laser disks
27. The most common form of wiring in data communication applications is the ___ |
- Twisted pair cable
- Optical fiber cable
- Coaxial cable
- None of the above
Answer:- b) Optical fiber cable
28. Typical band width of optical fibers is ___
- Order of Hz
- Order of KH
- Order of GHz
- None of the above
Answer:- d) Order of GHz
29. A computer (also referred to as a laptop) is a small, lightweight personal computer that incorporates the screen, the keyboard, storage and processing components into a single portable unit.
- Briefcase
- Notebook
- Diary
- Journal
Answer:- b) Notebook
30. Which of the following is widely used in academic testing?
- OMR
- OCR
- POS
- MICR
Answer:- a) OMR
31. The personal-computer industry was started by
- HCL
- IBM
- Apple
- Compaq
Answer:- c) Apple
32. A _____ is the enclosure that contains the main components of a computer.
- Keyboard
- SMPS
- System unit
- UPS
Answer:- c) System unit
33. The process of writing computer instructions in a programming language is known as |
- File
- Programming
- Coding
- Processing
Answer:- c) Coding
34. What is the designation of IBMs first optical storage device specifically designed for its PS/2 Series of computers?
- IBM-2717
- IBM-4040
- IBM-3131
- IBM -3363
Answer:- d) IBM -3363
35. The list of coded instructions is called |
- Utility program
- Flowchart
- Algorithm
- Computer program
Answer:- d) Computer program
36. ITS stands for |
- Intelligent Teaching Systems
- Intelligent Tutoring Systems
- International Tutoring Systems
- All of the above
Answer:- b) Intelligent Tutoring Systems
37. In hexadecimal number system F denotes to |
- 13
- 14
- 15
- 16
Answer:- d) 16
38. The equipment with which the computer talks to its users is called a |
- Diskette
- Software
- Word processor
- Peripheral
Answer:- d) Peripheral
39. What type of software is used for creating letters papers and other documents? |
- Operating system
- Spreadsheet
- Word Processor
- Database
Answer:- c) Word Processor
40. The symbols used in an assembly language are |
- Assembler
- Codes
- Mnemonics
- All of the above
Answer:- c) Mnemonics
41. A modern digital computer has |
- Extremely high speed
- Large memory
- High memory
- All of these
Answer:- d) All of these
42. Internet is ______ |
- a local computer network
- an interconnected network of computers
- a worldwide interconnected network of computers which use a common protocol to communicate with one another
- a worldwide network of computers
Answer:- c)
a worldwide interconnected network of computers which use a common protocol to communicate with one another
43. A single packet on a data link is known as |
- Group
- Block
- Frame
- Path
Answer:- c) Frame
44. Which of the following is not one of the three primary functions that on-line direct-access systems can serve? |
- Programming
- Update
- Backup
- Inquiry
Answer:- c) Backup
45. Where is silicon chips manufactured in India? |
- Tamil Nadu
- U.P.
- Chandigarh
- Punjab
Answer:- c) Chandigarh
46. The Hardvard student, who chose to write computer programs and dropped studies was |
- Ohn Atanasoff
- Charles Babbage
- Steve Jobs
- Bill Gates
Answer:- d) Bill Gates
47. A computer consists of |
- input and output units
- a memory
- a central processing unit
- all of the above
Answer:- d) all of the above
48. Which printer uses a combination of Laser-beam and electro photographic techniques? |
- Daisy wheel
- Line printer
- Dot-matrix
- Laser printer
Answer:- d) Laser printer
49. Central Processing Unit (CPU) consists of ____ |
- Registers
- Arithmetic and Logic unit (ALU)
- Control unit
- All of these
Answer:- d) All of these
50. To What temporary area can you store text and other Data, and later paste them to another location? |
- The hard disk
- ROM
- CD-ROM
- The clipboard
Answer:- d) The clipboard
51. The benefit of using computers is that |
- Computers are designed to be inflexible
- Computers provide accurate output even when input is incorrect
- Computers are very fast arid can store huge amounts of data
- All of the above
Answer:- c) Computers are very fast arid can store huge amounts of data
52. Application software |
- is used to control the operating system
- performs a specific task for computer users
- includes programs designed to help programmers
- all of these
Answer:- b) performs a specific task for computer users

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