Hardware Input and Output — Unit test Answers

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1
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Which question is most important for an office to consider when upgrading to new software?

A
Does the office need to buy other software at this time?
B
Do the office computers have enough RAM to run the program well?
C
Do the office computers need maintenance work at this time?
D
Does the office have enough staff trained to use this new software?
2
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What are the four basic operating principles of the information processing cycle?

A
information, storage, input, processing
B
gathering, input, output, processing
C
input, gathering, software, output
D
input, processing, output, storage
3

The hardware components of a computer system interact with each other by using which of the following?

A
input and output devices
B
internal and external storage
C
ports and system bus
D
read-only memory (ROM)
4

Which sequence best describes the evolution of computers?

A
Microcomputers came before mainframes, which led to the development of minicomputers.
B
Minicomputers came before mainframes, which led to the development of microcomputers.
C
Mainframes came before microcomputers, which led to the development of minicomputers.
D
Mainframes came before minicomputers, which led to the development of microcomputers.
5

What type of major application has most changed the way people interact in their daily lives?

A
spreadsheet programs like Excel
B
communication programs like Gmail
C
word processing programs like Microsoft Word
D
multimedia presentation programs like PowerPoint
6

What is the HIPAA Privacy rule, and why does it affect IT professionals?

A
a law that prevents doctors from keeping patient records, which protects the medical rights of IT professionals
B
a law that explains how passwords should be protected, which must be followed by IT professionals
C
a law that mandates that medical records be kept electronically, which will be managed by IT professionals
D
a law that protects patient records, which states they can only be viewed by certified IT professionals
7

In order to come up with a realistic schedule, a manager wants to know how long it usually takes an employee to complete a task. Which statistical measurement is the manager most likely to use?

A
mean
B
median
C
mode
D
sum
8

What is the recommended procedure for disconnecting an external hard drive to avoid losing data?

A
Disconnect the hard drive’s power supply, then remove the drive.
B
Instruct the operating system to eject the drive before unplugging it.
C
Use the Power button to turn off the computer, then remove the drive.
D
Wait until the drive stops spinning, then remove the drive.
9

Why might a business professional choose to use a desktop computer rather than a tablet or laptop at work?

A
a desktop computer cannot be moved
B
a desktop computer is more professional
C
a desktop computer has more internal memory space
D
a desktop computer is portable
10

What is median?

A
the sum of values in a set of data multiplied by the number of values in the set
B
the sum of values in a set of data divided by the number of values in the set
C
the middle value in a data set when the values are put in order
D
the value that occurs most often in a data set
11

If a user wants to add an expansion card to increase the memory of a computer, where should the user insert the card?

A
into a slot in the computer
B
into a network with another computer
C
into a bus in the motherboard
D
into a port on the outside of the computer
12

IT professionals should help to protect users’ personal information, such as bank account information or Social Security numbers, to prevent

A
software piracy.
B
identity theft.
C
moonlighting.
D
corporate espionage.
13

Which technological device or application best enables people to communicate with others anywhere in the world?

A
cloud storage
B
social media
C
file systems
D
word processing
14

A large hospital is having a hard time keeping track of patients’ needs as they move among doctors, pharmacies, blood labs, and nursing stations. What is the best solution an IT professional could recommend to help?

A
Have medical professionals use cell phones to keep in touch with one another.
B
Give patients RFID tags to identify their medical records.
C
Ask patients to keep their medical records on their tablets.
D
Have patients stay connected to the Internet with smartphones.
15

What capability do smartphones have that telephones with earlier technology lacked?

A
wireless technology
B
data services
C
mobility
D
voice transmissions

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