Most Important computer Basic MCQ Questions with answer

1. Which one of the following represent the binary equivalent of the decimal number 23?

   a. 01011      b. 10111

   c. 10011      d. None          

 2. Web hosting service is a type of –

   a. Genetic algorithm                 b. Internet hosting service

   c. Computer programming      d. None

 3. The list of coded instructions is called –

   a. Computer program            b. Algorithm 

   c. Flowchart                          d. None

 4. For which purpose is MS outlook used?

   a. Internet browsing           b. Using Email

   c. Creating documents        d. Using database

   e. None of these

 5. The machine readable form of a program called as-

   a. Source code                    b. Object code or machine code

   c. Executable file                d. None

 6. portable program means –

   a. program with wheels                  b. Independent from its authors

   c. Independent of platform            d. None

 7. How do the main components of the computer communication with each other?

   a. System bus          b. Memory

   c. Keyboard            d. None

 8. ‘bkash’ is an example of –

   a. Application software                  b. Third generation language

   c. Mobile banking               d. First generation language

   e. Operating system

 9. Which of the following is not an output device?

   a. Scanner               b. printer

   c. Laser printer             d. Monitor

   e. Touch screen

 10. MPEG extension refers to –

    a. System file        b. MS office document

    c. Video file          d. Image file

    e. Animation file

 11. URL means

    a. Uniform Resource Locator       b. University Resource Library

    c. Uniform Research Locator        d. Universal Research Location

  12.  MPEG stands for-

      a. Moving Picture Experts Group   b. Moving Picture Extended  Group

      b. Multiple Photo Experts Group    d. Multiple Photo Extended Group

  13.  A record is a –

      a. Collection of bits           b. Collection of fields

      c. Collection of bytes        d. Collection of files

  14.  Firmware is built using –

        a. RAM                            b. Video Memory

        c. Cache Memory            d. ROM

   15.  Control Unit –

        a. Performs mathematical operation       

        b. Performs logical operation

        c. Directs the movement of electrical signals

        d. Performs comparisons of numbers

  16. Flash memory is –

     a. Non-removable               b. Non-volatile

     c. Non-portable                  d. Volatile

 17. The most frequently used instructions are kept in the –

    a. ROM                   b. cache memory

    c.   RAM                 d. CD

 18. PCMCIA represents a standard for –

     a. Desktop Computer         b. Mainframe Computer

     c. Minicomputer                 d. Notebook

 19. The size of a sector in hard disk is –

     a. 512 bytes                        b. 64 bytes

     c. 510 bytes                        d. 1000 bytes

 20.  (111111110)₂ = (?)₁₀

     a.  256                    b. 511

     c. 510                     d. 512