Unit Test — Unit test Answers

11 verified answers
1
Free Preview

The miniaturization of which of the following inventions allowed integrated circuits to get smaller, leading to the creation of the microprocessor?.

A
microchip
B
electronic circuit
C
vacuum tube
D
transistor
2
Free Preview

How does a graphics card help the computer’s main CPU?

A
It provides the wiring that connects the CPU to a monitor.
B
It converts analog images into digital signals the CPU can use.
C
It connects the CPU of one computer to a group of other computers.
D
It takes some load off the CPU, allowing it to work faster.
4

Which of the following is an example of software piracy?

A
copying software from work to use at home
B
buying software to use in your home office
C
taking corporate secrets from work to sell
D
working at two jobs that are both in the IT field
6

Read the following scenario, and then answer the question.A graphic design firm hired a new designer and needs a new computer for her; the new employee will be designing high-resolution images and some videos. Which of the following best describes the graphic designer’s needs?

A
the newest graphics card, an all-in-one machine, and new speakers
B
the newest software, a fast hard drive, and a large monitor
C
the newest CPU, as much RAM as will fit, and new speakers
D
the newest graphics cards, a fast processor, and a large monitor
7

Which computer is the fastest to process complex data?

A
2.6 GHz processor, 3 GB RAM, 1 TB hard drive
B
2.4 GHz processor, 8 GB RAM, 1 TB hard drive
C
2.4 GHz processor, 3 GB RAM, 4 TB hard drive
D
2.6 GHz processor, 8 GB RAM, 1 TB hard drive
8

Which is the best description of the laws governing IT professionals?

A
Most IT professionals have legal expertise and stay abreast of workplace laws.
B
There are not any laws that impact the work and responsibilities of IT professionals and their workplace.
C
IT professionals will find that all situations that are ethical also abide by the law .
D
Most laws are directed at the information, data, or intellectual property rather than the IT professional.
10

Who first demonstrated the computer mouse?

A
Microsoft
B
Alan Turing
C
Douglas Engelbart
D
Apple, Inc.
12

For a Windows laptop, what is the best way to save power when the computer will not be used for an extended period?

A
sleep the system
B
turn it off by the power button
C
use battery power
D
hibernate the system
14

Read the following scenario, and then answer the question below.A new pet supply company plans to primarily sell products in stores. They need a system that will track their large inventory and keep customer sales records.Which evaluation factor will be most important when choosing technology for the company?

A
speed
B
size
C
storage
D
connectivity
15

Which troubleshooting procedure is most useful when the operating system reports that a file cannot be opened?

A
rebooting the computer
B
running the hard disk drive utility
C
moving the file to a different folder
D
renaming the file
16

When Jen is planning to upgrade to a monitor with a better resolution, what should she be looking for in the new monitor?

A
machine cycles / second
B
terabytes
C
pixels / square inch
D
gigahertz
18

IT professionals have strict legal and ethical standards because of

A
the credentials they hold to perform their job.
B
the oath they took when they began their career.
C
the pressure put on them to behave a certain way.
D
the strategic role they play in an organization.

Did you find these answers helpful?