25-click each file while holding down…..key to select noncontiguous files.
a-shift.
b-properties.
c-format.
d-background.
27-PDA is used for…..
a-who need information on the go.
b-IT department major corporation.
c-hardware.
D-I.T.
28-…….is an input device.
a-printer.
b-mouse.
c-speaker.
d-monitor.
29-use left hand middle to press…in typing with touch.
a-a
b-s
c-d
d-F
30-……it is respect an output device for the computer:
a-mouse.
b-speaker.
c-ram.
d-scanner.
31-…….is an operating system which is capable of multitasking.
a-Dos.
b-windows.
c-word.
d-Excel.
32-use…… command to change file name.
a-rename.
b-delete.
c-new.
d-cut.