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 |