• Question 1

0.5 out of 0.5 points

Microcomputers:
Selected Answer:  

Are usually referred to today as personal computer

Answers:  

Are usually referred to today as personal computer

Are another name for PDAs (like BlackBerry)
Are the next generation of small computers that are expected to be the next major advance in the computer field
None of the answers are correct
  • Question 2

0.5 out of 0.5 points

According to the text, which of the following is not true of Mainframes?
Selected Answer:  

All of the choices are correct.

Answers: Mainframes usage is growing.
 Mainframes are large, fast, and powerful.
Mainframes can be used as superservers for networks
 

All of the choices are correct.

  • Question 3

0.5 out of 0.5 points

One device used as an input device in a computer system is a touch screen. A touch screen is best described as:
Selected Answer:  

A device that allows users to use a computer by touching the surface of the video display screen

Answers: A small rectangular touch-sensitive surface usually placed below the keyboard
A stationary device containing a roller ball whose top is exposed outside its case
 

A device that allows users to use a computer by touching the surface of the video display screen

A device that is rolled along the desktop in order to move the cursor on the screen
  • Question 4

0.5 out of 0.5 points

Which of the following statements about optical disks is true?
Selected Answer:  

They can be read only, recordable, or rewritable

Answers:  

They can be read only, recordable, or rewritable

They can hold approximately 50 megabytes on a single disk
They have totally replaced “3.5” diskettes
They have totally replaced magnetic tape as secondary storage
  • Question 5

0 out of 0.5 points

Graphical user interface (or GUI) refers to:
Selected Answer:  

A software package that allows users to generate graphical presentations

Answers:  

Icons, buttons, windows and bars you as a user interact with to issue commands

The monitor and mouse
A special software program that allows a mouse to control the computer
A software package that allows users to generate graphical presentations
  • Question 6

0.5 out of 0.5 points

A gigabyte (GB) is used to express which one of the following approximate measures?
Selected Answer:  

1,000,000,000 bytes of storage

Answers: 1,000 bytes of storage
1,000,000 bytes of storage
 

1,000,000,000 bytes of storage

1,000,000,000,000 bytes of storage
  • Question 7

0 out of 0.5 points

The difference between active and passive RFID is:
Selected Answer:  

Active RFID devices have greater security build into them to prevent unauthorized access

Answers: Active RFID requires user input in order to function whereas passive RFID devices require no user input
 

Active RFID send a signal whereas passive must be prompted to send data

Active RFID devices have greater security build into them to prevent unauthorized access
Active RFID need to be closer to the reader than passive RFID devices
  • Question 8

0.5 out of 0.5 points

Which one of the following devices would be considered a typical sequential access medium?
Selected Answer:  

Magnetic tape

Answers:  

Magnetic tape

Magnetic floppy disk
Magnetic hard disk
CD-ROM
  • Question 9

0.5 out of 0.5 points

The most common output trend is:
Selected Answer:  

Video displays

Answers: Printed reports and documents
Audio responses
Voice responses
 

Video displays

  • Question 10

0.5 out of 0.5 points

A BlackBerry:
Selected Answer:  

Performs common PDA functions and also has a fully functioning mobile phone

Answers:  

Performs common PDA functions and also has a fully functioning mobile phone

Is an early PDA device with limited functions
Uses a different network than mobile telephone service
None of the choices is correct
  • Question 11

0.5 out of 0.5 points

An intelligent terminal that can perform data entry and some information processing tasks independently is called a _______________ terminal.
Selected Answer:  

transaction

Answers:  

transaction

dumb
Windows
remote
  • Question 12

0 out of 0.5 points

Which one of the following statements would best describe a workstation computer?
Selected Answer:  

All of the choices are correct

Answers:  

Support applications with heavy mathematical computing and graphics display demands such as computer-aided design (CAD)

Used to coordinate telecommunications and resource sharing in small local area networks (LANs) and Internet and intranet web sites
Designed for convenient mobile communications and computing using touch screens
All of the choices are correct
  • Question 13

0.5 out of 0.5 points

The function of an output device is to:
Selected Answer:  

Convert electronic information produced by the computer system into human-intelligible form for presentation to end-users

Answers: Convert data into an electronic machine-readable form for direct entry into a computer system
Perform the arithmetic and logic functions required in computer processing
 

Convert electronic information produced by the computer system into human-intelligible form for presentation to end-users

Store the data and program instructions needed for processing
  • Question 14

0.5 out of 0.5 points

The storage function of a computer system takes place in both primary storage unit and secondary storage devices. Which of the following are secondary storage devices?
Selected Answer:  

Magnetic disk and optical disk

Answers: Primary memory
RAM
 

Magnetic disk and optical disk

None of the choices is correct
  • Question 15

0 out of 0.5 points

Which one of the following is NOT a valid storage medium?
Selected Answer:  

Paper documents

Answers: Paper documents
Optical disks
Magnetic tape
 

All of the choices are correct

  • Question 16

0.5 out of 0.5 points

In the microcomputer desktop market, Apple shrank from an industry leader to a niche player because:
Selected Answer:  

It designed a closed system with proprietary hardware and software

Answers: Its prices were too high
Orders could not be filled quickly enough
It could not adapt quickly enough to the computing demands of end users
 

It designed a closed system with proprietary hardware and software

  • Question 17

0 out of 0.5 points

Optical scanning can be used to:
Selected Answer:  

All of the choices is correct

Answers: Detect forgery in legal document
 

Convert text and images into digital format

Use for retina scans to positively identify individuals for security purposes
All of the choices is correct
  • Question 18

0.5 out of 0.5 points

A computer is a system of hardware devices organized according to the functions of input, processing, output, storage and control. The function of an input device is to:
Selected Answer:  

Convert data into electronic machine-readable form for direct entry or through telecommunications links into a computer system

Answers:  

Convert data into electronic machine-readable form for direct entry or through telecommunications links into a computer system

Perform the arithmetic and logic functions required in computer processing
Convert electronic information produced by the computer system into human-intelligible form for presentation to end-users
Store data and program instructions needed for processing
  • Question 19

0.5 out of 0.5 points

What is the most accurate description of a peripheral?
Selected Answer:  

Part of the system but not part of the CPU but rely on a connection to the CPU to operate

Answers: Devices that are not part of the computer when purchased but added on later
Any part of the computer system that is not installed inside the case
 

Part of the system but not part of the CPU but rely on a connection to the CPU to operate

Central processing unit
  • Question 20

0 out of 0.5 points

________ is the video monitor technology that resembles as television, while ________ is the video monitor technology that is used in flat screen monitors.
Selected Answer:  

LCD, CRT

Answers: TV, CRT
TV, LCD
LCD, CRT
 

CRT, LCD