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;
10 Cards in this Set
- Front
- Back
|
CPU has 3 parts
|
Control Unit: retrieves instructions, sends command signals
ALU: does math to process data Memory Unit: storage of info, divided into RAM and ROM |
|
|
Bit
|
a binary character (a 1 or a 0) makes up ONE bit
|
|
|
Byte
|
8 bits make up a byte
Ex: 01000001= A |
|
|
Peripheral Devices do 3 things
|
Input info
Output info Store info |
|
|
Monitor Measurements
|
CRT: casing is included in the measurements
LCD: casing is NOT included in the measurements |
|
|
Resolution
|
number of pixels on the screen: higher number = more clarity
Ex: 800 x 600 = 800 horizontally and 600 vertically |
|
|
Projector details
|
Brightness is measured in lumens. Make sure there are enough lumens to project in full light.
*Usually built in speakers, remote |
|
|
CD-R
CD-RW DVD-ROM |
Compact Disc Recordable (one time)
Compact Disc ReWritable (multiple record and edit) DVD Read Only Memory (much larger storage area--both sides of disc) |
|
|
Keyguards
|
one of several keyboard adaptations for special needs
Plastic covers on keys of the keyboard with holes in them. Prevents striking unwanted keys. |
|
|
Switches
|
Keyboard alternative: operated by pulling or pushing, sipping or puffing, or other small mvmts. Requires additional hardware and special software to work with the switch.
|
