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CS&E 200 Final Exam Review 1
terms and defenitions from computer basics section
16
Computer Science
Undergraduate 1
06/02/2009

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Term
Motherboard
Definition
houses processor, memory, video and sound cards, network modem
Term
RAM (random access memory)
Definition
primary (main) memory. Made up physically of transistors and capacitors.
Term
how is info stored in memory?
Definition
they are converted to a string of zeros and ones in different ways, (characters converted via some standard such as ASCII, Unicode, etc). All info is translated by a set of instructions into this format and then translated.
Term
what is a bit?
Definition
Each 0,1 when memory is stored is a bit
Term
1 byte = x bits
Definition
8 bits
Term
1 KB is approximately x bytes
Definition
1000 bytes
Term
1 MB is approximately x bytes
Definition
1,000,000 bytes
Term
1 GB is approximately x bytes
Definition
1,000,000,000 bytes or about 500 pages of text
Term
KB vs MB vs GB?
Definition
1GB=1000 MB
1MB=1000 KB
Term
DRAM (Dynamic Ram)
Definition
The type of memory that is constantly refreshed or it will lose its contents
Term
SDRAM (Synchronous Dynamic RAM)
Definition
Designed to work with the CPU clock to work faster than DRAM
Term
DDR SDRAM (Double data rate synchronous dynamic RAM)
Definition
Works twice as fast as SDRAM
Term
operating system software
Definition
Controls the basic input/output and memory operations of the computer
Term
Application Software
Definition
programs that work with the operating system to perform specific tasks
Term
Dot/Stripe pitch
Definition
the smaller the dot pitch the sharper the image
Term
resolution
Definition
number of pixels that can be displayed. usually higher resolution means a clearer image
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