COSC Chapter six

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Kernel memory is ________.

RAM memory used by the operating system

Which is the fastest type of optical drive on the market?

Blu-ray drives

Two types of video memory are ________.

GDDR3 and GDDR5

Cache memory levels are determined by ________.

the chip's proximity to the CPU

Running the Disk Defragmenter utility will ________.

Make the hard drive work more efficiently

A ________ performs the same kind of computational work that a CPU performs but is specialized to handle 3-D graphics and image and video processing.

GPU

Cache memory is a form of ROM.

False

Notebook and desktop processors are basically the same and therefore interchangeable.

FALSE

Notebooks are often equipped with a(n) ________ slot that allows you to read flash memory cards such as CompactFlash, Memory Sticks, and Secure Digital cards.

ExpressCard

When referring to hard drives, access time is measured in ________.

milliseconds

3D sound is the same as surround sound.

False

A(n) ________ uses the same kind of memory that flash drives use and have no spinning platters or motors.

SSD

The amount of RAM recommended for most systems today is measured in ________.

gigabytes

Moore's Law is a rule that predicts ________.

the pace at which CPUs improve

Temporary data and instructions are not stored on the hard drive because it is faster to retrieve data from RAM.

TRUE

To make sure your computer performs reliably, you can do all of the following EXCEPT:

Increase the front side bus speed

Upgrading your operating system to the newest version might help increase system reliability.

TRUE

3D sound cards are bidirectional.

False

The CPU is connected to the system memory by the ________.

Front side bus

The amount of RAM that is actually on the memory modules in your computer is the ________ memory.

physical

Solid state drives have no platters or motors.

TRUE

An expansion card that translates binary data into images is a(n) ________.

video card

External hard drives are an ideal solution when you need more storage than a flash drive can provide.

TRUE

When referring to hard drives, seek time and latency are the two factors that make up ________.

Access time

Upgrading your CPU can increase how quickly data can move to or from the CPU.

False

The video subsystem is made up of the video card and speakers.

False

The number of bits the video card uses to represent each pixel on the monitor is called ________.

bit depth

The amount of memory your video card needs depends on what you want to display on your monitor.

TRUE

RAM is your computer's permanent storage space for data that is entered from the keyboard.

False

A computer's memory subsystem is made up only of RAM.

TRUE

Which of the following activities is carried out by the ALU?

completion of all arithmetic calculations

Which statement pertaining to system reliability is FALSE?

An accumulation of temporary Internet files has no effect on your computer's overall performance

Each of the following is a computer subsystem EXCEPT the:

Data subsystem

A Blu-ray burner will most likely record both CDs and DVDs.

TRUE

Thunderbolt can carry three channels of information on the same connector.

FALSE

Which of the following statements is true about optical media?

A Blu-ray burner will most likely burn both CDs and DVDs.

The use of multiple cores on one CPU chip allows the execution of two or more sets of instructions at the exact same time.

TRUE

Hard drive access time is measured in milliseconds.

TRUE

All of the following are forms of RAM EXCEPT:

XRAM.

CPU speed, also called clock speed, is currently measured in ________.

gigahertz

Which of the following is NOT a main characteristic associated with desktop computers as compared to notebooks?

A desktop computer is more expensive

________ is new technology that supports fast transfer rates of 10 Gb/s.

Thunderbolt

Hard drives have the largest capacity of any storage device.

TRUE

The control unit coordinates the activities of all computer components except for the CPU itself.

TRUE

The percentage of time that your CPU is working is referred to as processing time.

FALSE

The small circuit boards that hold a series of RAM chips are called ________.

memory modules

Video cards often include their own RAM.

TRUE

Every computer is designed with a maximum limit on the amount of RAM it can support.

TRUE

The CPU is located on the motherboard.

True

The percentage of time your CPU is working is referred to as CPU ________.

usage

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