1、Hardware components is typically divided into how many main categories
A.2
B.3
C.4
D.5
2、Which pointing device composed of a lever that moves in multiple directions to navigate a cursor or other graphical object on a computer screen.
A.Mouse
B.Lightpen
C.Joystick
D.Lever
3、The information sent from one computer is converted by the modem into
A.Digital Signal
B.Analog Signal
C.Both A & B
D.Binary Signal
4、The receiving modem converts
A.Digital to Analog Signal
B.Analog Signal
C.Digital Signal
D.Analog to Digital Signal
5、An optical scanner uses light-sensing equipment to convert what into electronic signals that can be manipulated by a computer.
A.Audio
B.Text
C.Video
D.Image
6、The most common scanner types are
A.Flatbed
B.Handheld
C.Drum
D.Palmheld
7、A modem, which stands for
A.Demodulator
B.Modular
C.Modulator
D.Demodulater
8、Mouse has a deflection device on the bottom that enables the user to control the motion of an on-screen pointer, or cursor, by moving the mouse on a flat surface.
A.正确
B.错误
9、Magneto-optic drive can typically store as much information as hard disks but have slightly faster retrieval speeds
A.正确
B.错误
10、Another component of the kernel consists of a collection of device drivers, which are the software units that communicate with the controllers to carry out operations on the peripheral devices attached to the machine.
A.正确
B.错误
