CGS2100 Chapter 6
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Created by:
pansho5647 on April 16, 2012
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41 terms
Terms | Definitions |
|---|---|
 What does CPU do? | Processes instructions, performs calculations, manages the flow of information through the computer system and is responsible for processing data into information. |
| How is CPU speed measured? | Gigahertz. |
| How can you determine your CPU usage? | Check Task Manager. |
| How can you tell whether CPU is limiting your system? | By watching how busy it is as you work on your computer. |
| What is RAM? | Your computers temporary memory. It remembers everything the computer needs to process data into information. It is lost when computer is powered down. |
| Is RAM considered volatile or nonvolatile storage? | Volatile storage. |
| What is your computers physical memory? | The amount of RAM sitting on memory modules in your computer. |
| What type of memory does your operating system use? | Kernel memory. |
| How much RAM do you need? | Enough to run the operating system plus the software applications you're using, plus a bit more to hold the data you will input. |
| What is hyperthreading? | Technology that permits quicker processing of information by enabling a new set of instructions to start executing before the previous set has finished. |
| What are benchmarks? | Measurements used to compare CPU performance between processors. |
| What are some advantages Desktops have over Notebooks? | Better computing power gained for your dollar, easy to add new ports and devices, large monitor, and more reliable. |
| In order to conduct a system evaluation what should you check? | CPU subsystem, Memory subsystem, Storage subsystem, Video subsystem, Audio subsystem, and ports. |
| What is the primary distinction between CPUs? | Processing power. |
| What factors determine a CPUs processing power? | Number of cores, how quickly the processor can work (clock speed), and the amount of immediate access memory (cache memory). |
| What is cache memory? | A for of random access memory that is more accessible to the CPU than regular RAM, and is therefore much faster. |
| What is the front side bus? | The "highway" on which data travels between the CPU and RAM. |
| What provides the greatest nonvolatile storage capacity in a computer and why? | Hard drives because they are economical and have faster access time than other storage devices. |
| What are memory modules? | Small circuit boards that hold a series of RAM chips an fit into special slots on the motherboard. |
| What are most memory modules in today's systems called? | Dual inline memory modules (DIMMs). |
| Which nonvolatile storage option has the fastest access time? | Solid State drive (SSD). |
| What is the data transfer rate? | The rate at which a hard drive can transfer data to other computer components (measured in megabits or megabytes). |
| What is a platter? | Coated round, thin plates of metal stacked on a spindle that compose a hard drive. |
| What is access time? | The time it takes a storage device to locates its stored data and make it available for processing (measured in milliseconds). |
| What is the difference between RAID 0 and RAID 1? | RAID 0 spreads data onto two physical drives and is much faster. RAID 1 uses trow drives as well but the second acts as an exact mirror of the first providing a perfect backup. |
| What are optical drives? | Disc drives that use a laser to store and read data. |
| What is a video card? | A expansion card to translate binary data into the images you view on your monitor. |
| What is video memory? | RAM on video cards. |
| What differentiates GPU from CPU? | GPU is specialized in handling 3-D graphics and image and video processing with incredible efficiency and speed. |
| What does Moore's Law predict? | That the number of transistors inside a CPU will increase so fast the CPU capacity will double every 18 months. |
| What are the two main video card manufacturers? | ATI and Nvidia. |
| What is bit depth? | The number of bits a video card uses to represent each pixel on the monitor. |
| What are most video cards today? | 24-bit known as true color mode. |
| What is a sound card? | An expansion card that attaches to the motherboard inside your system unit enabling the computer to make sound. |
| What is a 3D sound card? | An expansion card that enables a computer to produce sounds that are omnidirectional. |
| What is surround sound? | A type of audio processing that makes the listener experience sound as if it were coming from all directions. |
| Dolby is a current what? | Surround sound standard. |
| What do you need in order to set up surround sound on your computer? | A set of surround-sound speakers and a sound card that is Dolby Digital-compatible. |
| What should you do to ensure your system performs reliably? | Clean out your Startup folder, clear out unnecessary files, run spyware and adware removal programs, and run the Disk Defragmenter utility on your hard drive. |
| What can you use to document a problem you may be having with your computer? | Problem Step Recorder. |
| SuperFetch is a memory-management technique that does what? | Preloads the applications you use most into system memory. |
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