Which Of The Following Best Describes The System Unit?

Component Systems and Peripherals Unit

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Question 1

Select one answer.

10 points

Which of the following best describes the system unit?

a case that contains the electronic components used to process data

any hardware component that allows you to enter data

an electronic component made up of the modem and storage devices

hardware that sends and receives data over transmission media

Question 2

Select one answer.

10 points

Which of the following is NOT an input device?

keyboard

printer

mouse

trackball

Question 3

Fill in the blanks by selecting one option from each menu.

10 points

__________ consists of the electronic components that store the instructions waiting to be executed, the data needed by those instructions, and the results of the processed data.

The processor

The CPU

The control unit

Memory

Question 4

Select one answer.

10 points

What is the purpose of the processor, which is also called the central processing unit (CPU)?

This component is software that communicates with the keyboard and monitor.

This electronic component interprets and carries out the basic instructions that operate the computer.

This hardware component communicates with the keyboard and monitor.

This electronic component stores instructions waiting to be executed and data needed by those instructions.

Question 5

Select one answer.

10 points

When purchasing a PC, you should upgrade which of the following to the largest amount or number your budget will afford:

Internal bays and slots

RAM

ROM

Buses

Question 6

Select one answer.

10 points

What happens to data, instructions and information held in volatile memory when the computer system is powered off?

All content is held in volatile memory until the power is restored.

All content is made permanent for future use.

All content will be lost.

Both A & B

Question 7

Select one answer.

10 points

An example of a docking station is a/an

Slot on the motherboard that holds memory modules.

USB port on a laptop or PC.

Peripheral component that can be used to link a desktop-sized monitor with a tablet PC.

Internal bay that can be used for inserting additional components such as a hard drive.

Question 8

Select one answer.

10 points

What is a peripheral?

A device that connects to the system unit

a slot on the motherboard that holds memory modules

a component of the system board

a high-speed storage location

Question 9

Select one answer.

10 points

If mobility is the primary criteria for a buyer of a new PC, which of the following would be the most important criteria to consider?

the number of USB ports for connecting peripherals

the type of software applications to be used—gaming, for instance, requires sophisticated graphics and sound adapter cards

the weight and size of the unit

the size of the internal hard drive

Question 10

Select one answer.

10 points

Edwin is a consultant working for a large engineering firm. He travels to visit clients and uses his laptop and a smartphone to stay in touch with the home office. His computer must handle business-related software, and he must have a means of contacting clients and the home office. Into what category of user type would you put Edwin?

Home user

Power user

Mobile user

Small business/home user

Question 11

Select one answer.

10 points

Which of the following is NOT an input device?

mouse

printer

keyboard

trackball

Question 12

Select one answer.

10 points

What is input?

data or instructions that have been processed into a useful form

any data or information that is processed and presented to the user

any data or instructions entered into the memory of a computer

all processed data

Question 13

Select one answer.

10 points

Which of the following is NOT a capability of a multifunction printer?

printing

scanning

faxing

video

Question 14

Fill in the blanks by selecting one option from each menu.

10 points

Printers, monitors, and speakers are the three most commonly used _______ devices.

Output

Input

communications

processing

Question 15

Select one answer.

10 points

What communications device connects multiple computers together and transmits data to its correct destination on a network?

an Ethernet card

a router

a network card

a modem

Question 16

Select one answer.

10 points

If you want to create a home network and want the greatest flexibility in where to locate various computers and other connected equipment around your house, which transmission media provides the most flexibility and least installation effort?

Telephone line

Wireless radio waves

Coaxial cable

Fiber optic cable

Question 17

Select one answer.

10 points

The following diagram is an example of what type of home network?

completely wireless

completely wired

combination of wired and wireless

Question 18

Select one answer.

10 points

In the above diagram, what two components are required to make this network operational?

a router and an Ethernet card in the computer

modem and a wireless adapter card in the computer

a modem and an Ethernet card in the computer

a router and a wireless adapter card in the computer

Peripherals Module

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Question 1

Select one answer.

10 points

The laser printer in your home office needs to be replaced. You have been using it to print the normal number of pages that result from notes from your classes and assigned homework, receipts from online orders, and some letters you have written. What type of printer would make an adequate replacement if your major concern is keeping the initial cost low?

all-in-one printer

photo printer

laser printer

ink-jet printer

Question 2

Select one answer.

10 points

If you use your desktop computer only for doing schoolwork, which input and output device combination would be best from the options below (considering the best combination of cost, screen resolution, and keyboard design)?

a gaming keyboard and a 27″ LCD monitor

a foldable keyboard and a 15″ LCD monitor

a wireless keyboard and a 24″ LED monitor

a split-style keyboard and a 30″ LED monitor

Question 3

Select one answer.

10 points

You need to back up (make copies of) your critical documents and pictures on your desktop. Which of the following statements would be true for using cloud storage for backups in case your computer experiences a complete failure (will not boot and all files have been lost from the internal hard drive)?

If your desktop computer or your internal hard drive is not functioning, you can still access those backed up files via another computer with access to the internet.

You would not need to carry external storage media with you when you use another computer.

When data is distributed (stored on multiple external websites) there is greater risk of unauthorized physical access to the data.

All of the above.

None of the above.

Question 4

Select one answer.

10 points

Which device would not be appropriate for holding data, instructions, and information for future use?

CD or DVD

8Gb RAM

1Tb external hard drive.

Cloud storage

Question 5

Select one answer.

10 points

Which device would be used to hold data, instructions, and information for future use?

flash drive

cloud storage

hard drive

none of the above; these are volatile storage devices

all of the above; these are nonvolatile storage devices

Question 6

Select one answer.

10 points

Which of the following can be considered an output device?

speaker

microphone

wireless mouse

stylus

Question 7

Select one answer.

10 points

One of the major advantages of installing a wireless network is:

It is initially more secure than a wired network.

It provides more flexibility than a wired network.

It does not require a modem to access the Internet.

It is faster than a wired network.

Question 8

Select one answer.

10 points

One of the major disadvantages of installing a completely wired network is:

It is faster than a wireless network.

It provides less flexibility than a wireless network.

It is initially more secure than a wireless network.

It requires a modem to access the Internet.

Question 9

Select one answer.

10 points

If you are going to install a completely wireless network in your home, each computer must have:

a modem

an Ethernet card

a router

a wireless adapter card

Question 10

Select one answer.

10 points

If you are going to network two computers together using cable connections, each computer must have:

an Ethernet interface card

a modem

a router

a wireless adapter card

Question 11

Select one answer.

10 points

A webcam would be considered an input device.

True

False

Question 12

Select one answer.

10 points

What type of input device is most commonly associated with desktop and laptop computers?

a printer

a stylus

a scanner

a mouse

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Component Systems Module

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Question 1

Select one answer.

10 points

Which of the following would be a description of a system unit?

The module that interprets and carries out computer instructions

A computer’s main memory component

A case and internal components used to process data into information

A data and information storage device

Question 2

Fill in the blanks by selecting one option from each menu.

10 points

A/an ______ is inserted on the motherboard and provides more memory or controls a peripheral device such as a graphics adapter that supports video games.

expansion card

internal drive

bayprocessor

chip

Question 3

Select one answer.

10 points

Which component controls the timing of all computer operations?

the ALU

the system clock

the CPU

the memory modules

Question 4

Select one answer.

10 points

RAM is a form of

volatile memory

non-volatile memory

Question 5

Fill in the blanks by selecting one option from each menu.

10 points

Peripherals such as USB devices are connected to the computer through

Ports

Question 6

Select one answer.

10 points

Which of the following is true?

Volatile memory is permanent.

The contents of nonvolatile memory are lost when the computer’s power is turned off.

The contents of volatile memory are lost when the computer’s power is turned off.

Nonvolatile memory is temporary.

Question 7

Select one answer.

10 points

What is the purpose of a port?

Ports provide high-speed storage locations for sensitive data.

Ports are used to interpret and coordinate all signals in the computer.

Ports are used to join a cable to a peripheral.

Ports provide memory locations for video and audio files.

Question 8

Select one answer.

10 points

The ALU

controls the timing of the processing completed by the CPU.

coordinates the operations completed within the CPU.

holds data temporarily during processing.

performs basic calculation and comparison operations.

Question 9

Select one answer.

10 points

What is a peripheral?

a device that connects to the system unit and is controlled by the computer’s processor

a high-speed storage location that temporarily holds data and instructions for future use

a slot on the motherboard that holds memory modules and helps speed computer processes

a component of the system board that controls the timing of computer activities

Question 10

Select one answer.

10 points

Jane is a full-time student on a somewhat limited budget, taking online classes, and she loves to play the latest video games. She needs to update her computer and wonders what to purchase. Which of the following might you suggest?

A handheld PC (with no smartphone functionality).

A desktop system with a 1.9 Ghz processor, 1 gigabyte of RAM, and a 13″ monitor.

A laptop system with a 3.2 Ghz processor, 6 gigabytes of RAM, and a 17″ monitor.

A workstation with a 3.9 GHz quad-core processor, 16 gigabytes of RAM,To continue with the answer check on mycoursewriter.com/

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