Understanding the Computer System Unit

Schedule:Available now.Due 08/30/2015 11:59 PM EDTOLI quizzes are based entirely on material in the OLI module content, not on external resources or personal experience.

QUESTION 1

Select one answer.10 pointsWhich of the following type of system unit isnotconsidered to belong to the family of PCs?

1. Smart phone
2. Notebook
3. Desktop
4. Workstation

QUESTION 2

Select one answer.10 pointsWhich of the following would be a description of a system unit?

1. The main memory component of a computer
2. The module that interprets and carries out computer instructions
3. A storage device for data and information
4. Components used to process data into information that are enclosed in a case or chassis

QUESTION 3

Select one answer.10 pointsWhat is the purpose of an adapter card?

1. It provides battery power to retain information even when the power is turned off.
2. It provides access to flash memory.
3. It joins a cable to a peripheral.
4. It enhances functions of a component of the system unit and/or provides connections to peripherals.

QUESTION 4

Select one answer.10 pointsWhat is the purpose of the processor, which is also called the central processing unit (CPU)?

1. This electronic component stores instructions waiting to be executed and data needed by those instructions.
2. This component is software that communicates with the keyboard and monitor.
3. This electronic component interprets and carries out the basic instructions that operate the computer.
4. This hardware component communicates with the keyboard and monitor.

QUESTION 5

Fill in the blanks by selecting one option from each menu.10 pointsWhen purchasing a PC, you should upgrade—ROMbusesRAMinternal bays and slotsto the largest amount or number your budget will afford.

QUESTION 6

Fill in the blanks by selecting one option from each menu.Part 1:10 pointsPart 2:10 pointsPart 3:10 points30 pointsWhat happens to data, instructions, and information held in volatile memory when the computer system is powered off? Select Yes or No for each option.

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

—YesNo

All content is made permanent for future use.

—YesNo

All content will be lost.

—YesNo

QUESTION 7

Select one answer.10 pointsHow would a port most likely be used?

1. To provide a place for plugging in expansion cards
2. To connect the battery to the computer’s internal circuitry
3. To connect additional input, output, storage, and communication devices to a PC
4. To provide a place to insert a DVD drive via an opening in the system case

QUESTION 8

Fill in the blanks by selecting one option from each menu.10 pointsA bay would most likely hold a—memory moduleprocessor chipcooling fanhard drive.

QUESTION 9

Select one answer.10 pointsEdwin 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?

1. Power user
2. Home user
3. Small business/home user
4. Mobile user

QUESTION 10

Select one answer.10 pointsIf mobility is the primary criteria for a buyer of a new PC, which of the following would be the most important criteria to consider?

1. The size of the internal hard drive
2. The weight and size of the unit
3. The number of USB ports for connecting peripherals
4. The type of software applications to be used—gaming, for instance, requires sophisticated graphics and sound adapter cards

QUESTION 11

Select one answer.10 pointsYou want to make a system image disk – a copy of the drives that allow the operating system to run (it is used to restore your computer if your hard drive or computer stops working). The system image normally requires up to 32 GB of storage space. Which of the following storage devices wouldnotbe appropriate as a backup device?

1. A 1 TB external hard drive
2. A 64 GB flash or thumb drive inserted via a USB port
3. The 500 GB hard drive installed inside your PC system
4. A single read/write DVD disk

QUESTION 12

Select one answer.10 pointsIf you are considering overall cost (cost over the lifetime of the device), which in addition to the initial cost of the device factor should you consider first in choosing a printer?

1. Printing quality
2. Operating system of host computer
3. Cost of replacement ink or toner cartridges
4. Wired or wireless connectivity

QUESTION 13

Select one answer.10 pointsWhich of the following are typically used as input devices?

1. Printer, USB flash drive, web camera
2. Modem, system unit, CD drive
3. Memory, motherboard, speaker
4. Mouse, microphone, scanner

QUESTION 14

Select one answer.10 pointsWhat is input?

1. Data or instructions that have been processed into a useful form
2. Any data or information that is processed and presented to the user
3. Any data or instructions entered into the memory of a computer
4. All processed data

QUESTION 15

Select one answer.10 pointsWhich of the following isnota capability of a multifunction printer?

1. Printing
2. Video
3. Scanning
4. Faxing

QUESTION 16

Select one answer.10 pointsWhat are the four basic categories of output?

1. Memory, storage, drives, and language
2. Instructions, pictures, commands, and graphics
3. Text, graphics, audio, and video
4. Commands, responses, programs, and data

QUESTION 17

Fill in the blanks by selecting one option from each menu.10 pointsA cable—modemrouterEthernet cardnetwork cardis a digital device that sends and receives digital data over the cable television network.

QUESTION 18

Select one answer.10 pointsWhat communications device connects multiple computers together and transmits data to its correct destination on a network?

1. An Ethernet card
2. A network card
3. A modem
4. A router

QUESTION 19

Select one answer.10 pointsTo protect the information and data you send or receive over the network, what other component is critical to install in your home network?

1. Parental controls
2. An uninterruptible power source
3. Wire, cable, or fiber optic connection between computers
4. A hardware or software firewall

QUESTION 20

Select one answer.10 points

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

1. A router and a wireless adapter card in the computer
2. A router and an Ethernet card in the computer
3. Modem and a wireless adapter card in the computer
4. A modem and an Ethernet card in the computer