42 terms

fund of it quiz 8

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The processor market for desktop and laptop computers is dominated by ________.
Intel
Level 3 cache memory is faster than the other cache memory levels.
False
In most current systems, ________ is the type of RAM used.
DDR3
Optical discs store data using tiny pits and lands.
True
Thunderbolt can carry three channels of information on the same connector.
False
Desktop computer systems are less reliable than laptop computers.
False
Which of the following ports is NOT used to connect to a video card?
USB
A ________ enables the computer to drive the speaker system.
sound card
Which of the following does NOT determine processor power?
Speed of the motherboard
The amount of RAM storage is measured in ________.
GB
Which of the following is NOT a permanent storage option?
Random access memory
Level 1 cache contains the least amount of storage of the cache memory levels.
True
________ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished.
Hyperthreading
The ________ has the largest capacity of any storage device.
mechanical hard drive
RAID 0 automatically duplicates your data and saves it on two identical drives.
False
To remove all the changes made to your system, the Windows ________ utility returns your computer to the state it was in when it came from the factory.
Refresh
All of the following are part of the machine cycle EXCEPT ________.
encode
A ________ uses electronic memory and has no motors or moving parts.
solid-state drive
The CPU consists of which two parts?
The control unit and the arithmetic logic unit
When using multiple monitors, you must have multiple video cards.
False
Windows uses a memory-management technique known as ________ to monitor which applications you use most frequently. It preloads them into your system memory.
SuperFetch
The control unit is one component of the ________.
CPU
3-D sound is different from surround-sound.
True
Running the Disk Defragmenter utility will ________.
make the hard drive work more efficiently
Running the Disk Cleanup utility is a quick way to ________.
clear out unnecessary files
The heads of a hard disk drive touch the surface of the platter to read or write the data.
False
Which of the following is the lightest computer?
Tablet
To securely erase data, the U.S. Department of Defense suggests that data be ________.
overwritten multiple times
When referring to hard drives, access time is measured in ________.
milliseconds
Hybrid drives are a combination of a mechanical hard drive and an SSD drive.
True
Accessing data from the hard drive to send to the CPU is faster than accessing data from RAM.
False
Some of the cache memory of a CPU is ________.
inside the CPU, itself
RAM is an example of ________ storage.
volatile
How many channels are in a Dolby 7.1 Surround Sound System?
8
Cache memory is a form of ROM.
False
How do optical discs store data?
A laser burns tiny pits onto a platter.
Running the CPU at a faster speed than the manufacturer recommends is called ________.
overclocking
Dolby Digital 7.1 requires a total of eight speakers.
True
The rule of thumb that predicts that the number of transistors on a CPU will double every 2 years is called ________ Law.
Moore's
The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the same time.
True
If you reformat the hard drive on a computer, it erases all personal information from your computer and makes it safe to donate.
False
There are ________ levels of cache memory in the Intel i7 processor.
three