Scholar's Invitation to COMPUTER SCIENCE (2)| Lesson 3. Introduction to Computers

Page No. 22

⌨️ Match the following :

    1. ⬆️    (i) Moves cursor to right
                  character.

    2. ⬇️    (ii) Moves cursor to previous
                  row
    3. ⬅️    (iii) Deletes a character on left
                 side of cursor.

    4. Delete  (iv) Moves cursor to next row.

    5. ➡️     (v) Deletes a character at
                   cursor position.

    Ans : 1. -- (ii) ; 2. -- (iv); 3.-- (iii); 4. --(v)
             5.-- (i)

⌨️  Tick (✓) the correct sentences:

    1. Left - most alphabet keys are 'Q', 'E',
    'W', 'T', and 'Y'.                                      [✓]

    2. Left arrow key looks like
    BACKSPACE key.                                [✓]

    3. Monochrome monitor displays
    output in many colours.                   [×]

    4. VDU stands for Visual Device Unit.[×]

    5. Laser printers give the best quality of
    printing.                                                  [✓]

⌨️ Two types of printers are :

    1. InkJet Printer.
    2. Laser Printer.

⌨️ Two types of monitors are :
  
    1. Monochrome Monitor.
    2. Colour Monitor.

                             Contents

      1. INTRODUCTION TO COMPUTERS

      2. USES OF COMPUTERS