Understanding the Computer System Unit
Schedule:Available now.Due 03/30/2018 11:59 PM EDTStarted:03/30/2018 5:10 PM EDTSubmitted:03/30/2018 5:30 PM EDTScore:100%Points:200 out of 200
Question 1
Points: 10 out of 10What type of computer would integrate the system unit (chassis and computer) with the display and keyboard?
A desktop computer
An all-in-one desktop computer
A mobile computer
A tower computer
Question 2
Points: 10 out of 10Which of the following type of system unit is not considered to belong to the family of PCs?
Workstation
Smart phone
Notebook
Desktop
Question 3
Points: 10 out of 10When purchasing a PC, you should upgrade --busesRAMROMinternal bays and slots to the largest amount or number your budget will afford.
Question 4
Points: 10 out of 10What is an expansion slot?
A device that joins a cable to a peripheral
A device that connects memory to the CPU
A port used for special equipment
A socket on the motherboard that can hold an adapter card
Question 5
Points: 10 out of 10What is the purpose of a heat sink?
To keep the keyboard from overheating
To absorb heat generated by the memory modules
To absorb heat generated by the processor chip
To keep the hard drive from overheating
Question 6
Points: 10 out of 10What is the purpose of the processor, which is also called the central processing unit (CPU)?
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.
This component is software that communicates with the keyboard and monitor.
Question 7
Points: 10 out of 10How would a port most likely be used?
To connect additional input, output, storage, and communication devices to a PC
To provide a place for plugging in expansion cards
To provide a place to insert a DVD drive via an opening in the system case
To connect the battery to the computer’s internal circuitry
Question 8
Points: 10 out of 10Which of the following would be an example of a docking station?
A peripheral component that can be used to link a desktop-sized monitor with a tablet PC
An internal bay that can be used for inserting additional components such as a hard drive
A USB port on a laptop or PC
A slot on the motherboard that holds memory modules
Question 9
Points: 10 out of 10If 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 size of the internal hard drive
The number of USB ports for connecting peripherals
The weight and size of the unit
The type of software applications to be used—gaming, for instance, requires sophisticated graphics and sound adapter cards
Question 10
Points: 10 out of 10Marissa is a student taking classes in a face-to-face setting, a physical classroom. She needs to be able to take her computer to class to give presentations. Which of the following might you suggest?
A laptop system with a 2.13 GHz processor, 4 gigabytes of RAM, and a 17" monitor
A workstation with a 1.6 GHz quad-core processor, 8 gigabytes of RAM, and a 20" monitor
A desktop system with a 2.33 GHz processor, 1 gigabyte of RAM and a 23" monitor
A handheld PC
Question 11
Points: 10 out of 10You have been diagnosed with carpal tunnel syndrome in your wrists (related to extensive computer usage). What might be a solution for reducing stress on your wrists?
Use a keyboard with internal lighting to support work in low-light conditions.
Use a flat waterproof keyboard.
Use a keypad that is projected on an external flat surface.
Use a split-style keyboard that separates and angles groups of keys into right- and left-hand portions.
Question 12
Points: 10 out of 10
Monitors with --LCDLED technology are considered to have better picture sharpness and brightness, are sleeker and lighter, consume less power, but are more expensive.
Question 13
Points: 10 out of 10Which of the following is not an input device?
Mouse
Printer
Trackball
Keyboard
Question 14
Points: 10 out of 10What is input?
All processed data
Data or instructions that have been processed into a useful form
Any data or instructions entered into the memory of a computer
Any data or information that is processed and presented to the user
Question 15
Points: 10 out of 10
Printers, monitors, and speakers are the three most commonly used--outputinputcommunicationsprocessing devices.
Question 16
Points: 10 out of 10Which of the following is not a capability of a multifunction printer?
Printing
Video
Scanning
Faxing
Question 17
Points: 10 out of 10A cable --modemrouterEthernet cardnetwork card is a digital device that sends and receives digital data over the cable television network.
Question 18
Points: 10 out of 10What communications device connects multiple computers together and transmits data to its correct destination on a network?
A router
An Ethernet card
A modem
A network card
Question 19
Points: 10 out of 10
The following diagram is an example of what type of home network?
Completely wired
Combination of wired and wireless
Completely wireless
Question 20
Points: 10 out of 10To protect the information and data you send or receive over the network, what other component is critical to install in your home network?
Wire, cable, or fiber optic connection between computers
A hardware or software firewall
Parental controls
An uninterruptible power source
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