IT CH6
There are ________ levels of cache memory.
3
Which statement pertaining to system reliability is FALSE?
An accumulation of temporary Internet files has no effect on your computer's overall performance.
Which optical disc has the greatest storage capacity?
Blu-ray
Which is the fastest type of optical drive on the market?
Blu-ray drives
The control unit is one component of the ________.
CPU
In most current systems, ________ is the type of RAM used.
DDR3
The amount of RAM storage is measured in ________.
GB
To speed up the display of graphics, a(n) ________ is installed on some video cards.
GPU
________ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished.
Hyperthreading
The processor market for desktop and laptop computers is dominated by ________.
Intel
The rule of thumb that predicts that CPU capacity will double every 2 years is called ________ Law.
Moore's
Which of the following is NOT a main component of the motherboard?
NIC
Which of the following activities is carried out by the ALU?
Perform arithmetic calculations.
Which of the following is NOT an optical disc format?
Read-erasable (RE)
Which of the following does NOT determine processor power?
Speed of the motherboard
Windows uses a memory-management technique known as ________ to monitor which applications you frequently use and preloads them into your system memory.
SuperFetch
The CPU consists of which two parts?
The control unit and the arithmetic logic unit
Which of the follow ports is NOT used to connect to a video card?
USB
Running the Disk Cleanup utility is a quick way to ________.
clear out unnecessary files
All of the following are part of the machine cycle EXCEPT ________.
encode
Running the Disk Defragmenter utility will ________.
make the hard drive work more efficiently
The ________ has the largest capacity of any storage device
mechanical hard drive
The small circuit boards that hold a series of RAM chips are called ________.
memory modules
When referring to hard drives, access time is measured in ________.
milliseconds
Running the CPU at a faster speed than the manufacturer recommends is called ________.
overclocking
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 procedures you can follow to ensure your system performs reliably, EXCEPT ________.
run key utilities only when you can observe the process
To securely erase data, the U.S. Department of Defense suggests that the data be overwritten ________ times.
seven
A ________ uses electronic memory and has no motors or moving parts.
solid-state drive
A ________ enables the computer to drive the speaker system.
sound card
In Dolby Digital 7.1, the 1 indicates a ________ speaker.
subwoofer
Which of the following is the lightest computer?
tablet
Cache memory levels are defined by ________.
the chip's proximity to the CPU
The speed of a level of cache memory is impacted by ________.
the chip's proximity to the CPU
There are ________ levels of cache memory.
three
A(n) ________ is an expansion card that's installed inside the system unit to translate data into images.
video card
RAM is an example of ________ storage.
volatile
