Fill in the blanks .
a. software can be categorised into two types : .................. software and .................... software


b. the .................... is an animated image that you see on the monitor after you leave the computer idle for some time.

c. the ................ option in Paint gives the mirror image of the selected part.

d. the ................... command in LOGO turns the turtle towards the left side.


e. the long horizontal bar at the bottom of the desktop is called the ..................... .
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