18-press space bar by…in typing with touch.
a-thumb.
b-left hand ring.
c-left hand index.
d-right hand pinky.
19-keyboard is respected:
a-software.
b-hardware.
c-I.T.
d-no thing.
20-business who travel frequently can use…
a-pc computer.
b-laptop.
c-main frame.
d-network computer.
21-use…..commands from shortcut menu to create folder.
a-new.
b-Properties.
c-rename.
d-shortcut.
22-It must be choosing……tab to change the back ground of desktop from display properties window.
a-screen saver.
b-themes.
c-desktop.
d.settings.
23-use the……command to move files.
A-cut.
b-copy.
c-paste.
d-delete.
24-…..is the storage unit.
a-hard disk drive.
b-key board.
c-mother board.
d-mouse.