Computer System Unit homework help
Computer System Unit homework help
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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