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
|
A computer system consists of the computer and its
peripheral devices that |
1) receives the data as it is input
2) processes that data 3) outputs the data in a useable form |
|
|
– Smallest unit of binary information
– Single binary character – Zero or one |
Bit
|
|
|
– Composed of 8 bits (combination of 0s or 1s)
– Can represent one alphabetic or one numeric character of information such as “A” or “a” |
Byte
|
|
|
Processor speeds are measured in…..
|
– Megahertz (MHz)… a 1 MHz processor (CPU)
can execute one million cycles per second. – Gigahertz (GHz) |
|
|
Examples of storage devices...
|
Hard Disk Drives, Floppy Disks, Zip Disks, Optical disk technology, USB drives
|
|
|
Connections are made through openings called __________.
|
Ports
|
|
|
Ways to adapt the mouse to provide easier input.
|
– Joysticks
– Trackballs |
|
|
What are some adaptations for students with special needs?
|
– computer monitors
– keyboards – mice |
|
|
Give some examples of input devices:
|
• Keyboards & Mice
• Scanners • Digital cameras • Microphones • Personal digital assistants (PDA) • Tablet Computers • Graphics tablets • Touch screens • Electronic Whiteboards • Classroom Response systems (clickers) |
|
|
Give some examples of output devices:
|
• Computer monitors (screens or displays)
• Printers • Speakers • Projectors • Document Cameras |
