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
|
Number system that has just two unique digits, 1 and 0
|
|
|
Bit
|
Smallest unit of data computer can process
|
|
|
Memory
|
Consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the information
|
|
|
Volatile Memory
|
Loses contents when computer is turned off
|
|
|
Nonvolatile Memory
|
Doesn't lose contents when computer is turned off
|
|
|
RAM Memory
|
(Random Access Memory) Memory chips that can be read from and written to by the processor and other devices
|
|
|
ROM Memory
|
(Read-Only Memory) Memory chips storing permanent data and instructions
|
|
|
Memory Module
|
ROM chips that contain permanently written data, instructions, and information.
|
|
|
Memory Slot
|
On motherboard, holds memory modules
|
|
|
Cache
|
Improves computers' processing times
|
|
|
Memory Cache
|
Helps speed the processes of the computer because it stores frequently used instructions and data
|
|
|
L1 Cache
|
Built directly into processor chip
|
|
|
L2 Cache
|
Slightly slower than L1 cache but much larger capacity
|
|
|
ROM
|
(Read-Only Memory) Memory chips storing permanent data and instructions
|
|
|
Flash Memory
|
Can be erased electronically and rewritten
|
|
|
CMOS
|
(Complementary Metal-Oxide Semiconductor) Provides high speeds and consumes little power
|
|
|
Access Time
|
Amount of time it takes processor to read data, instructions, and information from memory
|
|
|
Nanosecond
|
One billionth of a second
|
