Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
binary system
|
a number system with two numbers 0 and 1
|
|
|
bit
|
binary digit the smallest unit of data a computer can process
|
|
|
byte
|
8 bits equals a byte represents enough combos to represent 256 characters
|
|
|
memory
|
electronic components that store instructions waiting to be executed
|
|
|
volatile memory
|
memory is lost when computer is turned off
|
|
|
nonvolatile memory
|
perminent memory and is stored when the computer is turned off
|
|
|
RAM memory
|
chain memory can be read and written by processor
|
|
|
ROM memory
|
stores perminent data and instructions it cant be edited
|
|
|
memory module
|
small curciut board
|
|
|
memory slot
|
on motherboard holds memory modules
|
|
|
memory chache
|
helps improve processing times since it stores frequently
|
|
|
L1 Cache
|
built directly in the processor chip
|
|
|
L2 Cache
|
slower then L1 but has a much larger compacity
|
|
|
ROM
|
read only memory stores perminent data and instructions
|
|
|
Flash Memory
|
nonvolatile memory that can be erased and rewritten
|
|
|
CMOS
|
complementary metal-oxide semiconductor provides high speeds and consumes little power uses battery
|
|
|
Access time
|
amount of time it takes the processor to read data and info from memory
|
|
|
nanosecond
|
1 billionth of a second
|
