Introduction to Computer MCQ

Introduction to Computer MCQ

Introduction to Computer MCQ, Multiple Choice Questions on Computer, Computer MCQ, Basic Computer Engineering MCQ, RISC MCQ, CISC MCQ, Engineering MCQ, Introduction to Computer MCQ

Operating System MCQ

Multiple-Choice Questions

Q.1. Which of the following provides the quickest access to data or instruction?

  • RAM
  • ROM
  • Registers
  • Secondary memory

Answer: Registers

Q.2. Which of the following is used for short-term data storage?

  • RAM
  • ROM
  • Registers
  • Secondary memory

Answer: RAM

Q.3. Which of the following is a volatile memory?

  • RAM
  • ROM
  • Registers
  • Secondary memory

Answer: RAM

Q.4. Which of the following is a non-volatile memory?

  • RAM
  • ROM
  • Registers
  • Secondary memory

Answer: ROM

Q.5. Which of the following is not a memory?

  • PROM
  • EPROM
  • EEPROM
  • EEEPROM

Answer: EEEPROM

Q.6. Which of the following memory loses its content when power is turned off?

  • RAM
  • ROM
  • Registers
  • Secondary memory

Answer: RAM

Q.7. Which of the following stores the data or instruction permanently?

  • RAM
  • ROM
  • Registers
  • Secondary memory

Answer: ROM

Q.8. Which of the following is called as the brain of a computer?

  • Input device
  • Output device
  • CPU
  • Memory

Answer: CPU

Q.9. Once the contents are written, they cannot he modified in

  • RAM  
  • ROM 
  • secondary memory 
  • all of the above

Answer: ROM

Q.10. Which is the smallest unit of data in computer?

  • Bit
  • Byte
  • Nibble
  • None of the above

Answer: Bit

Q.11. The combination of 4 bits is called

  • Bit  
  • Byte 
  • Nibble
  • none of the above  

Answer: Nibble

Q.12. Which of the memory uses ultraviolet light to erase the content?

  • RAM
  • ROM
  • PROM
  • EPROM

Answer: EPROM

Q.13. Which memory has the highest speed?

  • Register
  • Cache
  • Main memory
  • Secondary memory

Answer: Register

Q.14. Which memory is placed between the CPU and the main memory?

  • Register
  • Cache
  • Main memory 
  • Secondary memory

Answer: Cache

Q.15. Which of the following is not an input device?

  • Joystick
  • Scanner
  • OCR
  • None of the above

Answer: None of the above

Q.16. Which of the following is an example of a pointing device?

  • Mouse
  • Trackball
  • Joystick
  • All of the above

Answer: All of the above

Q.17. The term dpi is associated with

  • Printer  
  • Plotter    
  • Keyboard   
  • Scanner   

Answer: Printer

Q.18. Which of the following is not an output device?

  • Speaker
  • VDU
  • Plotter
  • None of the above

Answer: None of the above

Q.19. Which of the following keeps track of the address of the next instruction?

  • Program counter
  • Accumulator
  • Memory address register
  • Data register

Answer: Program counter

Q.20. Which of the following is not a part of the CPU?

  • Registers
  • Control unit
  • Logic unit
  • Main memory

Answer: Main memory

Q.21. Which of the following memory is used to keep the frequently used instruction and data?

  • Register
  • Cache
  • Main
  • Secondary 

Answer: Cache

Q.22. Which of the following memory is not known as primary memory?

  • RAM    
  • Cache 
  • ROM 
  • Main 

Answer: Cache

Q.23. Which of the following is not a function of computer?

  • Input data
  • Process data
  • Output data
  • None of the above

Answer: None of the above

Q.24. Which of the following is considered firmware?

  • RAM  
  • ROM   
  • Secondary memory
  • Primary memory   

Answer: ROM

Q.25. Which type of RAM is normally the fastest?

  • DRAM
  • VRAM
  • SRAM
  • None of the above

Answer: SRAM

Q.26. Which of the following statement is not true for DRAM?

  • DRAM is a volatile memory based on traditional transistors using flip-flop gates.
  • DRAM is a volatile memory based on capacitors.
  • DRAM continuously needs to be refreshed.
  • DRAM is slower than SRAM.

Answer: DRAM is a volatile memory based on traditional transistors using flip-flop gates.

Q.27. Which type of ROM chip is erasable using software?

  • SROM
  • PROM
  • EPROM
  • EEPROM

Answer: EEPROM

Q.28. Which of the following is not an addressing mode?

  • Direct
  • Indirect
  • Immediate
  • Current

Answer: Current

Q.29. Which of the following is not true for CISC?

  • It performs more complex operations in longer time.
  • It performs more complex operations in shorter time.
  • Instructions may take more than one cycle to complete execution.
  • It performs the complex tasks in one instruction.

Answer: It performs more complex operations in shorter time.

Q.30. Which of the following statement is not correct for RISC?

  • It has a small number of different and complex instructions.
  • It uses many simple instructions to complete one complex task.
  • It is cheaper, of compact size, and faster.
  • It uses memory to keep data and instructions.

Answer: It uses memory to keep data and instructions.

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