Which device uses a handheld operation system?
(a) A laptop
(b) A mainframe
(c) A personal computer
To make the number pad act as a directional arrow, we press
(b) Num lock
(c) Caps lock
(d) Arrow lock
Which type of device is the computer monitor?
A button that makes characters either upper or lower case and numbers to symbols
(d) Shift key
The key that must be pressed each time a new command or information is entered
Devices that allow you to put information into the computer
Which of the following is an example of an optical disk?
(a) Memory disks
(b) Data bus disks
(c) Digital versatile disks
(d) Magnetic disks
Storage and memory differ with respect to which of the following characteristics?
(d) All of these
Where is data saved permanently?
The frequency band used for radar relay-systems and television is