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The processor market for desktop and laptop computers is dominated by |
Microsoft |
|
True or false: The Speed of the Motherboard does not determine processor power. |
True |
|
True or false: Performing arithmetic calculations is an activity carried out by the ALU. |
True |
|
The CPU consists of what two parts? |
The control unit and the arithmetic logic unit |
|
The control unit is one component of the |
CPU |
|
How many levels of cache memory are there? |
Three |
|
Provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished. |
Hyperthreading |
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The speed of a level of cache memory is impacted by |
the chip’s proximity to the CPU |
|
RAM is an example of ______ storage |
Volatile |
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RAM storage is measured in |
GB |
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In most current systems, the type of RAM used is |
DDR2 |
|
Windows uses a memory-management technique known as _______ to monitor which applications you frequently use and preloads them into your system memory. |
Superfetch |
|
When referring to hard drives, access time is measured in ______ |
Milliseconds |
|
Which optical disc has the greatest storage capacity? |
Blu Ray |
|
Uses electronic memory and has no motors or moving parts. |
A solid-state drive |
|
Has the largest capacity of any storage device. |
Mechanical Hard Drive |
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Name a port not used to connect to a video card. |
USB |
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To speed up the display of graphics, a ______ is installed on some video cards. |
GPU |
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Enables the computer to drive the speaker system. |
Sound Card |
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In Dolby Digital 7.1, the 1 indicates a _______ |
subwoofer speaker |
|
Running the Disc Defragmenter utility will _________ |
make the hard drive work more efficiently. |
|
Running the Disk Cleanup utility is a quick way to _______ |
clear out unnecessary files. |
|
To remove all the changes made to your system, the Windows _______ utility returns your computer to the state it was when it came from the factory. |
refresh |
|
True or False: An accumulation of temporary Internet files has no effect on your computer’s overall performance. |
False |
|
True or False: Hard drives have been growing in storage capacity by about 50% each year. |
True |
|
True or False: Desktop computer systems are less reliable than laptop computers. False |
False |
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True or False: Level 3 cache memory is faster than the other cache memory levels. |
False |
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True or False: The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the same time. |
True |
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True or False: Cache memory is a form of ROM. |
False |
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True or False: Level 1 cache contains the least amount of storage of the cache memory levels. |
True |
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True or False: Accessing data from the hard drive to send to the CPU is faster than accessing data from RAM. |
False |
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True or False: The heads of a hard disk drive touch the surface of the platter to read or write the data. |
False |
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True or False: Optical discs store data using tiny pits and lands. |
True |
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True or False: Video cards include their own RAM. |
True |
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True or False: When using multiple monitors, you must have multiple video cards. |
False |
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True or False: 3D sound is different from surround sound. |
True |
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True or False: RAID 0 automatically duplicates your data and saves it on two identical drives. |
False |
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True or False: Thunderbolt can carry three channels of information on the same connector. |
False |
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Time required to read/write head to move to the correct track |
Seek time |
|
Pie-Shaped wedges |
Sectors |
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Permanent Storage |
ROM |
|
Determines how fast the CPU is |
Clock Speed |
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Simultaneous execution of more than one instruction |
Hyperthreading |
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Uses electronic memory and has no moving parts. |
SSD |
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A strategy for moving more than one drive in a system |
RAID |
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A computer _____ is two or more computers connected using software and hardware so that they can communicate with each other. |
network |
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A device connected to a network such as a printer or a game console. |
Node |
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The actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate. |
Throughput |
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The maximum speed at which data can be transferred between two nodes. |
Bandwith |
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A network located in your residence that connects to all your digital devices. |
HAN |
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A network that spans a large physical distance |
WAN |
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A large network designed to provide access to a specific geographic area, such as a large city. |
MAN |
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Which transmission medium transmits data the fastest? |
Fiber-optic cable |
|
The fastest version of wireless Ethernet |
802.11ac |
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Wireless network devices use _____ to communicate with each other. |
radio waves |
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On a network a _____ helps prevent data packets from colliding with each other. |
Switch |
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Sophisticated networks generally use _______ hardware devices to ease the flow of data through the network |
routers and switches |
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