Deck 17: Understaning Essential Unit Concepts

Question 1

One of the most important components of personal computer hardware is ____, which stores instructions and data.

A) the processor
B) optical storage
C) the cloud
D) memory

Answer 1

D

Question 2

Which of the following is NOT an example of optical storage?

A) CD
B) hard disk
C) Blu-ray
D) DVD

Answer 2

B

Question 3

____ computers are used by large businesses, government agencies, and in science and education to provide centralized storage and processing and to manipulate tremendous amounts of data.

A) Subnotebook
B) Optical
C) External
D) Mainframe

Answer 3

D

Question 4

The computer needs additional components called ____ to accomplish its input, output, and storage functions.

A) mice
B) peripheral devices
C) architecture
D) ports

Question 5

____ memory is a chip on the motherboard that stores the date, time, and system parameters.

A) ROM
B) RAM
C) CPU
D) CMOS

Question 6

Which of the following is NOT a personal computer?

A) laptop
B) desktop
C) mainframe
D) All of the above.

Question 7

What temporarily holds programs and data while the computer is on and allows the computer to access that information randomly?

A) cache
B) RAM
C) ROM
D) CMOS

Question 8

Which of the following is a personal computer?

A) supercomputer
B) mainframe
C) desktop
D) All of the above.

Question 9

____ are thin computers that do not have an external keyboard or mouse.

A) Laptops
B) Desktops
C) Tablets
D) Mainframes

Question 10

Megahertz is a measurement of ____.

A) the speed of the microprocessor
B) the amount of RAM
C) RAM speed
D) cache memory

Question 11

Processing tasks occur on the ____.

A) mouse
B) keyboard
C) motherboard
D) operating system

Question 12

Most ____ devices, like keyboards, for example, connect to a computer either with cables or wirelessly.

A) storage
B) touch
C) recording
D) input

Question 13

You are running two programs at once that each require 10 megabytes on a computer that only has 16 megabytes of RAM. What makes this possible?

A) CMOS
B) ROM
C) cache
D) virtual memory

Question 14

Which of the following is NOT shown in the accompanying figures?

A) touch screen
B) trackball
C) touch pad
D) mouse

Question 15

Special high-speed memory located on or near the microprocessor's is called ____.

A) ROM
B) storage
C) virtual memory
D) cache memory

Question 16

RAM is often referred to as ____ memory.

A) permanent
B) semipermanent
C) volatile
D) None of the above.

Question 17

____ refers to the number of bits that are processed at one time.

A) Characters per second
B) Quad core
C) Clock speed
D) Word size

Question 18

A file that tells a computer how to perform a specific task is called a(n) ____ file.

A) executable
B) instruction
C) data
D) configuration

Question 19

The physical components of a computer are referred to as ____.

A) operating systems
B) specifications
C) configurations
D) hardware

Question 20

A(n) ____ is based on flash memory, but is intended as a replacement for traditional hard disk drives.

A) CMOS
B) SSD
C) GUI
D) RAM cache

Question 21

An example of an output device is a ____.

A) printer
B) keyboard
C) mouse
D) touch pad

Question 22

DVD+Rs are rewritable.

Question 23

An input device is any hardware peripheral that communicates the results of data processing.

Question 24

The devices shown in the accompanying figure are all ____ devices.

A) output
B) pointing
C) recording
D) storage

Question 25

Antivirus software protects against which of the following types of malware?

A) viruses
B) firewalls
C) phishing scams
D) spoofed sites

Question 26

Expansion cards plug into electrical connectors on the motherboard called expansion ____.

A) ports
B) outlets
C) slots
D) buses

Question 27

A hard disk is a type of magnetic storage device.

Question 28

Database management software allows you to create illustrations, diagrams, graphs, and charts that can be projected before a group, printed out for quick reference, or transmitted to remote computers.

Question 29

A device driver is a computer program that makes communication possible between your computer and one of its peripherals.

Question 30

Protocols in data communication establish the countries with which data can be exchanged.

Question 31

In the accompanying figure, the network shown is a ____ network.

A) WiMAX
B) client/server
C) WLAN
D) Bluetooth

Question 32

The communication path between a microprocessor, RAM, and peripherals is called the data bus.

Question 33

A network with a computers dependent on a server is called a client/server network.

Question 34

In the accompanying figure, each of the items labeled "workstation"  must have a network interface card installed.

Question 35

____ manage the system resources of a computer so programs can run properly.

A) Database management software
B) Utilities
C) Firewalls
D) Operating systems

Question 36

In the accompanying figure, each of the components connected by wires is called a ____.

A) client
B) node
C) workstation
D) server

Question 37

Which of the following is the smallest unit of measurement?

A) a terabyte
B) a gigabyte
C) a megabyte
D) a kilobyte

Question 38

An interface card can be plugged into an expansion slot on the motherboard of a computer.

Question 39

The practice of sending e-mails to customers or potential customers of a legitimate website asking them to click a link in the e-mail is called ____.

A) spoofing
B) phishing
C) pharming
D) spaming

Question 40

The printer in the accompanying figure is considered a client.

Question 41

____________________ is the flow of data from the microprocessor to memory to peripherals and back again.

Question 42

A(n) system resource is any part of the computer system, including memory, storage devices, and the microprocessor

Question 43

Critical Thinking Questions
Case 1-2
You have been chosen to upgrade the computer system for the local volunteer association. You want to purchase a system that will still be useful for several years.
You want the computer to be able to run faster. What is the easiest thing you can add to make this happen?
a. RAM
b. CMOS
c. motherboard
d. additional operating system

Question 44

Visual Basic, C, C++, and Java are all examples of computer programming ____________________.

Question 45

Discuss the use of the following ways to use the Web to get your work done: searching for information, communicating with others, telecommuting, and cloud computing.

Question 46

Special high-speed memory located on or near the microprocessor is called ____________________.

Question 47

Explain the differences between a kilobyte, a megabyte, a gigabyte, and a terabyte.

Question 48

A(n) ____________________ prevents other computers on the Internet from accessing a computer and prevents programs on a computer from accessing the Internet without the computer user's permission.

Question 49

If a keyboard is _________________________, this means that is has been designed to fit the natural placement of your hands and may reduce the risk of repetitive-motion injuries.

Question 50

If you are working on a budget and save the spreadsheet on your hard drive, it is called a(n) executable file

Question 51

Phishing is a broad term that describes any program that is designed to cause harm or transmit information to others without the computer owner's permission. 

Question 52

Utility software helps analyze, optimize, configure, and maintain a computer

Question 53

Operating software enables you to perform specific tasks such as writing letters, creating presentations, analyzing statistics, creating graphic, and enhancing photos..

Question 54

Critical Thinking Questions
Case 1-1
Christina is a salon owner in Baltimore, Maryland. She wants to create a list of all her clients in order to send them information about new promotions at the salon. She needs to purchase software to help her accomplish this. She also needs to track monthly expenses for her salon and needs software to do this as well.
What type of software should Christina purchase to help her track monthly expenses?
a. spreadsheet software
b. operating system software
c. database management software
d. word processing software

Question 55

Processing data is also referred to as ____________________ data.

Question 56

Critical Thinking Questions
Case 1-2
You have been chosen to upgrade the computer system for the local volunteer association. You want to purchase a system that will still be useful for several years.
You want to allow volunteers to copy files and carry them with them when they leave. What is a good choice for something that can store files, is transportable, and is small enough to fit in a pocket?
a. motherboard
b. CMOS
c. flash drive
d. optical drive

Question 57

____________________ memory is created and used by most computers when the amount of RAM needed exceeds the RAM available.

Question 58

Critical Thinking Questions
Case 1-1
Christina is a salon owner in Baltimore, Maryland. She wants to create a list of all her clients in order to send them information about new promotions at the salon. She needs to purchase software to help her accomplish this. She also needs to track monthly expenses for her salon and needs software to do this as well.
What type of software should Christina purchase to create and manage her collection of customer data?
a. indexing software
b. database management software
c. word processing software
d. operating system software

Question 59

Technical information about hardware components on a computer are called configurations

Question 60

A(n) ____________________ is an electronic device that accepts information and instructions from a user, manipulates the information according to the instructions, displays the information in some way, and stores the information for later retrieval.

Question 61

Critical Thinking Questions
Case 1-2
You have been chosen to upgrade the computer system for the local volunteer association. You want to purchase a system that will still be useful for several years.
You want the volunteers to have access to the most energy efficient type of monitor available. What is the best type of monitor technology to purchase?
a. TEM
b. fluorescent backlight
c. LED
d. LCD