Southern New Hampshire University
IT -200 fundamentals of information technology
Questions and answers for milestone 9
1
Ashlee recently traveled with friends during spring break. She used her cellular Android device to change the
settings on her home security system. When she finished, she began to play a game, using an e-reader
equipped with a touch screen.
Which device did Ashlee NOT use in this scenario?
A smartphone
A laptop
An integrated computer system
A tablet
RATIONALE
Ashley used a cellular Android device (smartphone), an easy chair to play a game (integrated computer systems)
and an e-reader with a touch screen (tablet). Ashley did not use a laptop.
CONCEPT
Types of Computers
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2
Approximately how much storage is needed to save a single digital picture in a 4-megapixel
resolution?
1 gigabyte
1 byte
1 megabyte
1 kilobyte
RATIONALE
The amount of storage space needed to save a single digital picture in a 4-megapixel resolution is 1 megabyte.
CONCEPT
Data Storage
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3
Miles is looking to free up storage space on his computer by deleting some large files. He plans to start
by deleting the largest file on his computer.
Given the following file sizes, select the file that is the LARGEST for Miles to delete from his computer.
Consider rewriting each value using the same units.
4 TB
1,000,000 KB
5 MB
6,000 GB
RATIONALE
If we consider the units only, from largest to smallest, the order is TB, GB, MB, KB. However, we must also consider
the number of units. We can rewrite each example in the same unit and order, as follows:
6,000 GB = 6,000 GB
4 TB = 4,000 GB
1,000,000 KB = 1 GB
5 MB = 0.005 GB
The largest file size is 6,000 GB, so Miles should start by deleting that file.
CONCEPT
Unit Prefixes
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4
Amanda likes to play computer games online with many other people while she travels.
Select the best computer for Amanda.
A laptop computer with a fast processor and graphics accelerator
A desktop computer with a fast processor and graphics accelerator
A laptop computer with a small screen and limited memory
A desktop computer with a large screen and large amounts
of storage
RATIONALE
Because Amanda travels a lot, she needs a portable computer, such as laptop. Amanda's computer must have a fast
processor and a graphics accelerator, since online games are often graphics-intensive and require high processor
performance.
CONCEPT
Selecting a Computer
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5
Using his smartphone, Jeremy taps his finger to select a song to listen to on his headphones.
This process describes the interaction between the and .
touchscreen, sound card
visual card, sound card
visual card, motherboard
touchscreen, visual card
RATIONALE
This process describes the interaction between the touch screen and sound card. Touch screens can be used for
both input and output. The sound card enables Jeremy's smartphone to play music through his headphones.
CONCEPT
Computer Components and Roles
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6
Which of the following statements is true about the relationship between hardware and software?
Only software is required for the computer to function
effectively, hardware is not needed.
Computer hardware can be used without an operating system.
Computer software controls the computer's hardware by giving it
instructions on what to do next.
Computer software can be physically touched, while
computer hardware is intangible.
RATIONALE
Computer software controls the hardware and tells it what to do next by providing it instructions.
The other statements are all false. Hardware is tangible, and software is intangible. Hardware and software are co-
dependent: both are needed for the computer to function, and one cannot operate without the other.
CONCEPT
The Relationship Between Hardware and Software
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7
Which external hardware component is circled in the given image?
Je8remy has a large amount of photos and videos on his computer and wants to purchase an additional data
storage device to store them.
Which of the following devices should Jeremy purchase for his data storage needs?
Monitor
Keyboard
GPU
Flash Drive
RATIONALE
Jeremy needs a flash drive to provide additional data storage for his photos and videos.
A keyboard is an input device and a monitor is an output device, so those will not provide the data storage Jeremy
needs. The Graphics Processing Unit (GPU) is used to process and display image data to the user, but will not
provide additional storage for Jeremy's photos and videos.
CONCEPT
Computer Components and Roles
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9
Melanie wants to copy a home movie to a storage device that will enable her to play it on her television.
The best storage device for Melanie is a(n) .
internal hard drive
sound card
CPU
CD/DVD-ROM drive
RATIONALE
The sound card and CPU are not storage devices. An internal hard drive might store Melanie's home video footage,
but may not allow her to view it on her television without other equipment.
The best storage device for Melanie is a CD/DVD-ROM drive.
CONCEPT
Computer Components and Roles
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10
Information systems consist of five components: hardware, software, data, process, and .
people
peripherals
data management
monitors
RATIONALE
Information systems consist of five components: hardware, software, data, process, and people. An information
system (IS) is an organized system that is used to collect, organize, store, and communicate information. It is the
study of
complementary networks that people and organizations use to collect, filter, process, create, and distribute
data.
CONCEPT
Information Systems
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11
James is a college student who is writing a research paper. Because he clicked the command to save his work,
he knows that after he turns his computer off, his work will be there for when he turns it on again.
James saves his work in a type of computer storage known as the .
microchip
RAM
hard drive
CPU
RATIONALE
James saves his work in a type of computer storage known as a hard drive. Hard drives are data storage devices
that store and retrieve digital information (data). They are made up of one or more rigid, rapidly-rotating disks
that are coated with magnetic material.
CONCEPT
The Primary Functions of a Computer
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12
When she downloads new software onto her smartphone, Talia must ensure the software is compatible with her
smartphone's .
utility software
productivity software
operating system
application software
RATIONALE
When she downloads new software, Talia must ensure that it is compatible with her smartphone's operating system.
CONCEPT
Computer Software
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13
Select the true statement about the hard disk.
It is the working memory of a computer that transfers data when
the device is turned on.
It carries out commands sent by program software and
returns results for a computer to act upon.
It stores long-term memory when a computer shuts down,
and memory is retrieved from it when a computer is turned
on.
It holds the main circuits, and connects other internal
components of the computer.
RATIONALE
A hard disk is the main storage component of a computer. It stores long-term data when the computer is turned off.
When the computer is turned on, data is retrieved from the hard disk.
CONCEPT
Internal Computer Hardware
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14
The invention of the integrated circuit was the first major advance in computing. The integrated circuit made
it possible for all of a computer's electrical components to reside on one silicon chip.
This invention became known as the .
mainframe computer
microprocessor
client-server configuration
personal computer
RATIONALE
This invention is known as the microprocessor. Microprocessors perform arithmetic and logic operations that use
small, number-holding areas called registers. Typical microprocessor operations include addition, subtraction,
comparison of two numbers, and retrieval and movement of numbers from one area to another.
CONCEPT
History of Computers
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15
Select the image of the motherboard.
RATIONALE
A motherboard is a printed circuit board that contains the principal components of a computer or other device. It
includes connectors, into which other circuit boards can be slotted.
CONCEPT
Internal Computer Hardware
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16
Which of the following is an example of computer software?
An audio/sound card
An antivirus program
A smartphone
A memory storage device
RATIONALE
Computer software is intangible. Unlike computer hardware, It cannot be touched.
An antivirus program is an example of computer software because it is a set of written instructions for computer
hardware. Memory storage devices, sound cards, and smartphones are not examples of software. They are examples
of tangible computer hardware.
CONCEPT
Computer Software
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17
Select the true statement about a printer.
It is an output device that displays video, images, or text on
a screen.
It is an input device that moves a pointer on screen and provides
buttons for users to click.
It is an output device that generates a hard copy of work created
on a computer.
It is an input device that captures an image and converts it
into digital information.
