Which of the following I/O devices is not necessary for video conferencing?

• Web camera

• Speaker or headphone

• Image scanner

• Microphone

Which of the following is not an appropriate description of a colour laser printer?

• 16 MB memory

• 1200 dpi resolution

• 1 USB 2.0 port

• 12 ms response time

Which of the following devices usually required for a video conference?

(1) Sound card / built-in sound component

(2) Display card / built-in display component

(3) Video capturing device

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)

Which of the following I/O devices are commonly used by restaurant cashiers?

(1) Magnetic strip card reader

(2) Optical mark reader

(3) Inkjet printer

(4) Thermal printer

• (1) and (3) only

• (1) and (4) only

• (2) and (3) only

• (2) and (4) only

Which of the following is not a feature of a trackball?

• It is like an inverted mouse.

• The base of a trackball is usually kept stationary.

• It is equipped in most notebook computers.

• The ball is rolled directly with fingers.

Which of the following descriptions about joystick is / are correct?

(1) It is a kind of input device.

(2) It is usually used in a point-of-sale system.

(3) It can be used with speech recognition software.

• (1) only

• (2) only

• (1) and (2) only

• (1), (2) and (3)

Which of the following pointing devices may incorporate optical technology?

• Trackball

• Touchpad

• Mouse

• Track point

Which of the following devices may act as both input and output devices?

(1) Touch VDU

(2) Track point

(3) Multifunction printer

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)

Which of the following professionals may find digitizing tablets helpful?

(1) A computer game designer

(2) A graphic designer

(3) A database designer

• (1) only

• (1) and (2) only

• (2) and (3) only

• (1), (2) and (3)

Which of the following is / are (a) valid reason(s) for a user to use a Chinese handwriting board?

(1) The user does not know any Chinese input methods.

(2) The user needs to draw some high-quality graphics.

(3) The user knows Simplified Chang-jei only.

• (1) only

• (1) and (2) only

• (2) and (3) only

• (1), (2) and (3)