Chapter: Unit 2
1.

The computer system is a dumb and a useless machine if it is not capable of communicating with the________________.

A. Outside World
B. Inside World
C. Specific Locations
D. None of the above
Answer» A. Outside World
2.

It is very important for a computer system to have the ability to communicate with the outside world, _________________.

A. Receive Data
B. Send Data
C. Information
D. All of the above
Answer» D. All of the above
3.

Programs and data must be entered into the computer memory for _____________.

A. Processing
B. Results
C. Calculations
D. Feedback
Answer» A. Processing
4.

The I/O devices that provide a means of communication between the computer and the outside world are known as________________.

A. Printers
B. Peripheral Devices
C. Coaxial Cables
D. None of the above
Answer» B. Peripheral Devices
5.

_____________ are used to transfer user data and instructions to the computer

A. Output
B. Processors
C. Input
D. Either (A) or (C)
Answer» C. Input
6.

________________ devices allow input into the computer system by pressing a set of keys mounted on a board, connected to the computer system

A. Mouse
B. Keyboard
C. Pen
D. Screen
Answer» B. Keyboard
7.

Keyboard devices are typically classified as _________________ keyboards and specialpurpose keyboards.

A. Secondary
B. Primary
C. User-Defined
D. General-Purpose
Answer» D. General-Purpose
8.

The most familiar means of entering information into a computer is through a typewriterlike keyboard that allows a person to enter __________________ information directly.

A. Alphabets
B. Symbols
C. Alphanumeric
D. Numeric
Answer» C. Alphanumeric
9.

The most popular keyboard used today is the ______ key with a traditional QWERTY layout.

A. 101
B. 102
C. 103
D. 104
Answer» A. 101
10.

Another popular _______________ arrangement, called Dvorak system, was designed for easy learning and use.

A. Key
B. Line
C. Group
D. Numeric
Answer» A. Key
11.

The _____________ pen is a small input device used to select and display objects on a screen.

A. Ink
B. Magnetic
C. Light
D. None of the above
Answer» C. Light
12.

The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.

A. Parallel
B. Horizontal
C. Straight
D. Vertical
Answer» D. Vertical
13.

___________________ consists of a spherical ball, which moves within a socket and has a stick mounted on it.

A. Joystick
B. Trackball
C. Web Camera
D. All of the above
Answer» A. Joystick
14.

The user moves the ball with the help of the stick that can be moved _________________________, to move and position the cursor in the desired location.

A. Left
B. Right
C. Forward or Backward
D. All of the above
Answer» D. All of the above
15.

Joysticks typically have a button on __________that is used to select the option pointed by the cursor.

A. Bottom
B. Left
C. Right
D. Top
Answer» D. Top
16.

The ____________ is a pointing device that is much like an inverted mouse.

A. Joystick
B. Trackball
C. USB
D. Scanning Device
Answer» B. Trackball
17.

A web camera is a video capturing device attached to the computer system, mostly using a _________________.

A. Socket
B. USB Port
C. Cable
D. None of the above
Answer» B. USB Port
18.

Web camera is used for video _____________.

A. Conferencing
B. Security
C. Control Input Device
D. All the above
Answer» D. All the above
19.

Scanning devices are input devices used for direct data entry from the source document into the ______________________ .

A. Keyboard
B. Screen
C. Computer System
D. None of the above
Answer» C. Computer System
20.

With the help of the _______________ you can capture your images and documents and convert it into digital formats for easy storage

A. Scanner
B. Web Camera
C. Camera Phone
D. Videography
Answer» A. Scanner
21.

There are two types of scanners_______________ .

A. Contact
B. Laser
C. Digital
D. Both (A) and (B)
Answer» D. Both (A) and (B)
22.

_______________ contact scanners make contact as they are brushed over the printed matter to be read.

A. Laser
B. Digital
C. Hand-held
D. None of the above
Answer» C. Hand-held
23.

_____________ scanners are more versatile and can read data passed near the scanning.

A. Laser-based
B. Hand-held
C. Contact
D. Either (A) or (B)
Answer» A. Laser-based
24.

Source data automation is the _________________ development for data input technologies.

A. Last
B. Second
C. Fifth
D. Recent
Answer» D. Recent
25.

The ______________ devices can scan marks from a computer-readable paper.

A. CRT
B. OMR
C. LCD
D. All of the above’
Answer» B. OMR
26.

A___________ film transistor is comprised of a semiconductor layer.

A. Thin
B. Broad
C. Long
D. Straight
Answer» A. Thin
27.

The role of semiconductor layer is to add polysilicon layer whose electron mobility is_____________times higher than that of an amorphous silicon layer.

A. One-Third
B. 100
C. 110
D. One-Fourth
Answer» B. 100
28.

_________________ are based on the use of a series of nozzles for propelling droplets of printing ink directly on almost any size of paper.

A. Dot-matrix
B. Laser Printers
C. All-in-One Printers
D. Inkjet Printers
Answer» D. Inkjet Printers
29.

Daisy-wheel printer comes in the category of output device and quite similar to ______________ .

A. Keyboards
B. Typewriters
C. Lasers
D. None of the above
Answer» B. Typewriters
30.

Another type of impact printer somewhat similar to the daisy-wheel is the _________ printer.

A. Line
B. Dot-matrix
C. Inkjet
D. Either (A) or (B)
Answer» A. Line
31.

The page printers are _______________ speed non-impact printers.

A. Slow
B. High
C. Medium
D. Fixed
Answer» B. High
32.

The printing speed of page printer is very high and the output is __________ at a time.

A. Three
B. Multiple
C. Ten
D. A page
Answer» D. A page
33.

_________________ are formed by heated elements being placed in contact with special heat sensitive paper forming darkened dots when the elements reach a critical temperature.

A. Numerical
B. Words
C. Characters
D. None of the above
Answer» C. Characters
34.

___________________ printers are the oldest print technologies still in active production.

A. Impact
B. Ink
C. Laser
D. Dot-matrix
Answer» A. Impact
35.

These are the devices used for getting out information from the computer

A. Input
B. Keyboard
C. Output
D. None of the above
Answer» C. Output
36.

An __________ printer would be non-impact as they work through spraying ink or toner and fusing it to the paper.

A. Inkjet
B. Wax
C. Laser or LED
D. All of the above
Answer» D. All of the above
37.

The term __________________ is important primarily in that it distinguishes quiet printers from noisy and impact types of printers.

A. Impact
B. Non Impact
C. Force
D. None of the above
Answer» B. Non Impact
38.

Computers have an _______________ subsystem,

A. Input
B. Output
C. Proper
D. Both (A) and (B)
Answer» D. Both (A) and (B)
39.

The CRT monitor creates a picture out of many rows or lines of tiny__________ dots.

A. Black
B. White
C. Plain
D. Colored
Answer» D. Colored
40.

In plasma type of displays_____________ gas is used.

A. Ionized
B. Oxygen
C. Carbon dioxide
D. All the above
Answer» A. Ionized
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