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Online Study Guide



 This activity contains 42 questions.

Question 1.
The control unit is responsible for:
 
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Question 2.
The process a CPU performs to carry out an instruction received from a program is known as a(n):
 
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Question 3.
The ____________ works like a metronome to ensure the CPU works at a steady and constant pace.
 
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Question 4.
RAM is an example of volatile storage and serves as the computer''s:
 
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Question 5.
Which of the following type of processor is being used in video gaming consoles such as the PlayStation 3 as well as in medical imaging systems and other applications?
 
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Question 6.
Kernel memory is:
 
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Question 7.
In Windows, you can determine the size of the page file used in virtual memory by viewing the:
 
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Question 8.
A concentric circle used to prepare a disk to hold data is called a:
 
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Question 9.
Seek time refers to:
 
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Question 10.
Hard drive capacity is measured in:
 
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Question 11.
The following are all magnetic storage media EXCEPT the:
 
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Question 12.
____________ processors are designed to use less power than having two CPUs running at once and deliver a substantial increase in performance.
 
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Question 13.
The video card is used to:
 
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Question 14.
Modern video cards include their own RAM, called:
 
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Question 15.
Which of the following is NOT true about DVDs?
 
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Question 16.
Which of the following has the largest storage capacity?
 
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Question 17.
How video is displayed depends on two components:
 
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Question 18.
An interface through which external devices connect to the computer is called a:
 
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Question 19.
Which of the following is the fastest available port today?
 
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Question 20.
The average total time it takes for the read/write head to locate the data on the platter and return it to the CPU for processing is the:
 
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Question 21.
You can use the Windows XP device manager to determine the manufacturer and model number of your sound card.
   
 
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Question 22.
USB 1.1 is faster than FireWire.
   
 
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Question 23.
Bluetooth is a wireless technology utilizing infrared technology.
   
 
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Question 24.
You can connect multiple USB devices through a single USB port by connecting the devices in a daisy chain.
   
 
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Question 25.
When your hard drive becomes fragmented, its storage capacity is negatively impacted.
   
 
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Question 26.
Moore''s Law describes the pace at which memory improves.
   
 
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Question 27.
The ALU is responsible for performing arithmetic calculations (addition, subtraction, multiplication, and division).
   
 
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Question 28.
The video subsystem includes the sound card, audio card, and monitor.
   
 
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Question 29.
To view information on your CPU usage, right-click an empty area of the taskbar, select Task Manager, and click the Performance tab.
   
 
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Question 30.
Running the Disk Defragmenter utility is a quick and easy way to ensure your temporary Internet files don''t take up precious hard drive space.
   
 
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Question 31.
Two types of speakers ship with most computers: amplified speakers or unamplified speakers.
   
 
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Question 32.
The small circuit boards that hold a series of RAM chips are called memory modules.
   
 
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Question 33.
The easiest way to see how much RAM you have is to look in the General tab of the System Properties dialog box.
   
 
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Question 34.
Memory bound means that your computer is limited in how fast it can send data to the CPU because there''s not enough ROM installed.
   
 
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Question 35.
A hard drive''s data transfer rate is expressed in either megabits or megabytes per second.
   
 
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Question 36.
Flash memory cards are portable storage cards you plug into a FireWire port.
   
 
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Question 37.
Flash drives are sometimes called thumb drives or jump drives.
   
 
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Question 38.
Floppy and Zip disks are examples of optical media.
   
 
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Question 39.
For a clearer, brighter image, buy a monitor with a high refresh rate and a low dot pitch.
   
 
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Question 40.
Expansion cards are one way to add the newest ports to an older computer.
   
 
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Question 41.
Match the following terms with their proper descriptions.
A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 41.1 through 41.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A port for electronic musical instruments
B port for networking
C port that transfers data one bit at a time
D technology that uses radio waves to send data over short distances
E port that transmits data using infrared light waves
F plugs into a USB port, providing four to eight more ports
 
 
 
 
 
 
End of Question 41


Question 42.
Match the following terms with their proper descriptions.
A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 42.1 through 42.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A reads and records magnetic data to and from the hard disk
B hard disk drive component
C primary circuit board of the computer system
D memory actually available on memory modules in a computer
E provides additional ports
F uses a page file on the hard disk
 
 
 
 
 
 
End of Question 42





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