Deck 2: Input, Output and Processing

Question 1

Which of the following is NOT true about mice?

A) Most mice have two or three buttons.
B) Generally, clicking the right mouse button displays a shortcut menu.
C) Double-clicking selects a paragraph of text.
D) You use the left mouse button for most operations.

Answer 1

C

Question 2

Print quality is measured in ppm.

Answer 2

False

Question 3

Which of the following is NOT a type of keyboard?

A) ergonomic
B) wireless
C) optical
D) security

Answer 3

C

Question 4

Privacy and civil liberties advocates are among the strongest supporters of biometric devices.

Question 5

OCR scanners use a light source to read characters, marks, and codes.

Question 6

Expansion slots are openings on the motherboard where an expansion board can be inserted.

Question 7

CRT panels produce an image by manipulating light within a layer of liquid crystal cells.

Question 8

The amount of ROM helps to speed up the processing cycle and to enhance the computer's performance.

Question 9

A(n) ____ is a pressure-sensitive pointing device on a notebook computer that looks like a pencil eraser.

A) touchpoint
B) touchpad
C) trackball
D) pointing stick

Question 10

Examples of video input devices are microphones and CD/DVD players.

Question 11

Sensors inside a(n) ____ mouse determine the direction and distance of the movement.

A) mechanical
B) optical
C) wireless
D) trackball

Question 12

Webcams are video-capturing cameras connected to computers or networks that display images through the World Wide Web.

Question 13

A laser virtual keyboard easily connects to any PC or smart phone.

Question 14

A(n) ____ mouse uses a laser to detect the mouse's movement.

A) mechanical
B) optical
C) wireless
D) trackball

Question 15

The NIK keyboard is flexible, can be rolled up and put into a briefcase, and even washed with soap and water or a spray cleaner.

Question 16

A(n) pointing stick and digital pen are pen-like writing instruments you use to enter information by writing on a screen on a mobile device.

Question 17

A(n) laser printer produces images using the same technology as copier machines.

Question 18

A computer virus is a small software program that spreads from one computer to another and interferes with the operation of the computers.

Question 19

The most common type of pointing device for PCs is the keyboard.

Question 20

The trackball is a pointing device that works like a mouse turned upside down.

Question 21

Which of the following is NOT true about dot matrix printers?

A) They transfer ink to the paper by striking a ribbon with pins.
B) The speed is measured in characters per second.
C) They are seldom used today.
D) The mechanism that does the printing is called the plotter.

Question 22

Which of the following is NOT an output device for the physically challenged?

A) Screen magnifiers
B) Screen readers
C) Voice synthesizers
D) Joystick computer mouse

Question 23

A(n) ____________________ device is an input device you use to select objects and click buttons.

Question 24

Evan is working on a presentation to give to his computer club about ports and connectors. Evan tells his club that ____ is a wireless standard that allows data to be transferred between devices using infrared light.

A) FireWire
B) IrDA
C) SCSI
D) USB

Question 25

A(n) ____ is also called an adapter card, add-in, or add-on.

A) USB port
B) expansion board
C) FireWire
D) IEEE 1394 bus

Question 26

Evan is working on a presentation to give to his computer club about ports and connectors. Evan tells his club that ____ is a special-purpose port used as a standard interface for connecting peripherals such as disk drives and printers.

A) FireWire
B) USB
C) SCSI
D) IrDA

Question 27

Which of the following is NOT true about biometric devices?

A) They are used for security.
B) They consist of a reader or scanning device and software that converts the information into digital format.
C) A common technique is to scan the retina or iris.
D) All of the above are true.

Question 28

Carolina is looking to buy a new computer, and is researching input devices. Carolina learns that ____ a mouse can be used to highlight a selected portion of text.

A) dragging
B) pointing
C) right-clicking
D) clicking

Question 29

A(n) ____ scanner reads encoded information on credit cards.

A) image
B) bar code
C) magnetic
D) OCR

Question 30

Laser printers and inkjet printers are examples of ____ printers.

A) nonimpact
B) impact
C) obsolete
D) specialized

Question 31

____________________ uses radio waves and provides wireless short-range communications of data and voice between mobile and stationary devices.

Question 32

A(n) ____________________ is a common pointing device for laptops with a specialized surface that can convert the motion of your fingers to a position on the screen.

Question 33

Which of the following is NOT true about devices such as the one in the above figure?

A) You use a stylus to point to objects.
B) It reacts to direct touches within the display area.
C) You can find these screens in airports, banks, and fast-food restaurants.
D) Many mobile devices also have these types of screens.

Question 34

Which of the following is NOT true about monitors?

A) They are a display device typical of desktop computers.
B) Screen output is called hard copy.
C) The CRT was one of the earliest types of computer monitors.
D) LCD and gas plasma are types of flat-panel monitors.

Question 35

____________________ is data processed into a useful format.

Question 36

Carolina is looking to buy a new computer, and is researching input devices. Carolina learns that a(n) ____ mouse uses infrared waves to communicate with the computer.

A) optical
B) optomechanical
C) radio frequency
D) wireless

Question 37

A(n) ____ can connect up to 127 peripheral devices with a single connector and transfer data at rates of up to 200 million bits per second.

A) USB port
B) expansion slot
C) FireWire
D) IEEE 1394 bus

Question 38

The bottom hole in the figure above shows a(n) ____.

A) FireWire port
B) expansion slot
C) USB port
D) SCSI

Question 39

Which of the following is NOT a storage device for digital cameras?

A) Memory stick
B) USB key
C) Mini-discs
D) All of the above are storage devices for digital cameras.

Question 40

A(n) ____________________, also called a jack, is an interface to which peripheral devices attach or communicate with the system unit or other peripheral devices.

Question 45

Define biometrics. What is it used for? List the three steps typically involved in biometrics. Name two common biometric methods. How do privacy and civil liberty advocates feel about biometrics?