Best 50 Basic Computer Questions & Answers
Q.1. What was the main technology used in first generation computers?a).Vacuum tubes
b).Integrated circuits
c).Microprocessors
d).Transistors
Ans: a. Vacuum tubes
Q.2. What was the main technology used in second generation computers?
a).Vacuum tubes
b).Integrated circuits
c).Microprocessors
d).Transistors
Ans: d. Transistors
Q.3. What was the main technology used in third-generation computers?
a).Vacuum tubes
b).Integrated circuits
c).Microprocessors
d).Artificial intelligence
Ans: b. Integrated circuits
Q.4. What was the main technology used in fourth generation computers?
a).Vacuum tubes
b).Integrated circuits
c).Microprocessors
d).VLSI
Ans: d. VLSI
Q.5. The language used in ENIAC?
a).C
b).C++
c).1 GL
d).PYTHON
Ans: C. 1 GL
Q.6. Which of the following device is the example of a trackball?
a).Output device
b).Printing device
c).Programming device
d).Pointing device
Ans: D. Pointing device
Q.7. Out of the given options which term is related to the printer?
a). Cartridge
b). Keyboard
c). DVD
d). None of these
Ans: a. Cartridge
Q.8. Which type of RAM can be used as cache memory?
a) SRAM
b) DRAM
c) SDRAM
d) Both a and b
Ans: a. SRAM
Q.9. Whose main purpose out of the following is to stop the unauthorized access to the computer via the internet?
a). Firewall
b). Spyware blocker
c). Popup blocker
d). None of these
Ans: a. Firewall
Q.10. ________ menu is also known as the drop-down menu.
a). cascading
b). Pull-down
c). Fly-out
d). Pop-up
Ans: b. Pull-down
Q.11.The first microprocessors that were developed by Texas Instruments and Intel Corp. were mainly used to control small
a) Calculators
b) Microwave ovens
c). Robotics
d). Personal Computer
Ans: a. Calculators
Q.12. What is the process of writing down computer instructions known as?
a). Assembling
b). Coding
c). Executing
d). Compiling
Ans: b. Coding
Q.13.Who is the father of Computers?
a) James Gosling
b) Charles Babbage
c) Dennis Ritchie
d) Bjarne Stroustrup
Ans: b. Charles Babbage
Q.14. The full form of COMPUTER IS?
a) Commonly Occupied Machines Used in Technical and Educational Research
b Commonly Operated Machines Used in Technical and Environmental Research
c) Commonly Oriented Machines Used in Technical and Educational Research
d) Commonly Operated Machines Used in Technical and Educational Research
Ans: d. Commonly Operated Machines Used in Technical and Educational Research
Q.15. Which of the following computer language is written in binary codes only?
a) Pascal
b) Machine language
c) C
d) C#
Ans: b. Machine language
Q.16. Which of the following is not a characteristic of a computer?
a) Versatility
b) Accuracy
c) Diligence
d) I.Q.
Ans: d. I.Q
Q.17. Based on which of the following are fifth-generation computers built?
a).Vacuum tubes
b).Integrated circuits
c).Microprocessors
d).Artificial intelligence
Ans: d. Artificial intelligence
Q.18. Which generation of computers started using keyboards and monitors?
a).First
b).Second
c).Third
d).Fourth
e).Fifth
Ans: c. third
Q.19. Which generation of computers introduced high-level programming languages?
a).First
b).Second
c).Third
d).Fourth
e).Fifth
Ans: c. Third
Q.20. Which generation of computers saw the introduction of the personal computer (PC)?
a).First
b).Second
c).Third
d).Fourth
e).Fifth
Ans: d .Fourth
Q.21. Which generation of computers introduced the concept of time-sharing operating systems?
a).First
b).Second
c).Third
d).Fourth
e).Fifth
Ans: c. Third
Q.22. Which generation of computers saw the widespread use of graphical user interfaces (GUIs) and mouse input?
a).First
b).Second
c).Third
d).Fourth
e).Fifth
Ans: d. Fourth
Q.23. Which generation of computers saw the development of high-level programming languages and operating systems?
a).First
b).Second
c).Third
d).Fourth
e).Fifth
Ans: C. Third
Q.24. Which of the following is not an input device?
a). OCR
b). Optical Scanners
c). Voice Recognition Device
d). COM
Ans: d. COM
Q.25. CD-ROM IS A
a). Semiconductor memory
b). Memory register
c). Magnetic Memory
d). None of the Above
Ans: d. None of the Above
Q.26. Which of the following is the smallest entity of memory?
a) Block
b) Cell
c) Instance
d) Set
Ans: b. Cell
Q.27. The primary memory (also called main memory) of a personal computer consists of
a) RAM only
b) ROM only
c) both RAM and ROM
d) Cache memory
Ans: c. Both RAM and ROM
Q.28. The Boot sector files of the system are stored in which computer memory?
a) RAM
b) ROM
c) Cache
d) Register
Ans: b. ROM
Q.29. Which of the following statements are not correct about the main memory of a computer?
a) In main memory, data gets lost when power is switched off.
b) Main memory is faster than secondary memory but slower than registers.
c) They are made up of semiconductors.
d) All are correct
Ans: d. All are correct
Q.30. RAM is _ _ _ _ _ _ and _ _ _ _ _.
a) volatile, temporary
b) non-volatile, temporary
c) volatile, permanent
d) non-volatile, permanent
Ans: b. ROM
Q.31. Which of the following memory is non-volatile?
a) RAM
b) ROM
c) Cache
d) ROM and Cache
Ans: b. ROM
Q.32.Which of the following is the lowest in the computer memory hierarchy?
a) Cache
b) RAM
c) Secondary memory
d) CPU registers
Ans: c. Secondary Memory
Q.33. Which memory acts as a buffer between CPU and main memory?
a) RAM
b) ROM
c) Cache
d) Storage
Ans: C. Cache
Q.34 Which of the following statements are not correct about cache memory?
a) Cache memory is used to store data temporarily.
b) It holds that data and program which has to be executed within a short period of time.
c) It consumes less access time as compared to the RAM.
d) All are correct.
Ans: d. All are correct.
Q.35 Which process is used to map logical addresses of variable length onto physical memory?
a) Paging
b) Overlays
c) Segmentation
d) Paging with segmentation
Ans: c. Segmentation.
Q.36 Which of the following is used to transfer data between the processor (CPU) and memory?
a) Cache
b) TLB
c) Buffer
d) Registers
Ans: d. Registers
Q.37 Which computer memory chip allows simultaneous both read and write operations?
a) ROM
b) RAM
c) PROM
d) EEPROM
Ans: b. RAM
Q.38 In which type of memory, once the program or data is written, it cannot be changed?
a) EPROM
b) PROM
c) EEPROM
d) None of these
Ans: b. PROM
Q.39 Which type of ROM is used for erasing purposes only?
a) EPROM
b) PROM
c) EEPROM
d) None of these
Ans: c. EEPROM
Q. 40 In which type of ROM, data can be erased by ultraviolet light and then reprogrammed by the user or manufacturer?
a) PROM
b) EPROM
c) EEPROM
d) Both a and b
Ans: b. EPROM
Q. 41 In which type of ROM, data can be erased by ultraviolet light and then reprogrammed by the user or manufacturer?
a) PROM
b) EPROM
c) EEPROM
d) Both a and b
Ans: c. EEPROM
Q. 42 How many types of RAM are available?
a) 4
b) 3
c) 2
d) 5
Ans: c. 2
Q. 43 What is the size of the computer accumulator register?
a) 4 bit
b) 4KB
c) 4 bytes
d) 8 bytes
Ans: c. 4 bytes
Q. 44 Which of the following is an example of solid-state storage device?
a) Hard Drive
b) CD
c) DVD
d) USB Flash Drive
Ans: d. USB Flash Drive
Q. 45 The smallest unit of measuring data in the computer is
a) Byte
b) Kilobyte
c) Nibble
d) Bit
Ans: d. Bit
Q. 46 What happens when RAM is full in the computer?
a) Cache memory is used
b) The volatile memory is used
c) An interrupt is raised
d) Hard disk is used
Ans: b. The volatile memory is used
Q. 47 The computer internal memory consists of
a) Cache memory, registers
b) CPU registers, main memory, cache memory
c) Main memory, secondary memory
d) Virtual memory, cache memory
Ans: b. CPU registers, main memory, cache memory
Q. 48 Main memory (also called primary memory) store(s)
a) Data alone
b) Program alone
c) Results alone
d) All
Ans: d. ALL
Q. 49 Primary storage is . . . . . . . as compared to secondary storage.
a) Slow and inexpensive
b) Fast and inexpensive
c) Fast and expensive
d) Slow and expensive
Ans: c. Fast and expensive
Q.50 Storage that stores or retains data/information permanently after power off is called
a) Volatile storage
b) Non-volatile storage
c) Sequential storage
d) Both a and b
Ans: b. Non-volatile storage
