2. 001010110… convert text for humans
• SIMILAR TO OUR BASE-10 SYSTEM OF
COUNTING
• EACH 1 OR 0 IS KNOWN AS A BIT
• COMPUTER MEMORY IS MEASURED IN
KILOBYTES(1000), MEGABYTES(1 M),
GIGABYTES(1B), AND TERABYTES(1T)

3. COMPUTER HARDWARE
• REFERS TO PERMANENT PARTS OF A
COMPUTER
• PARTS INCLUDE A CENTRAL PROCESSING
UNIT(CPU), INPUT DEVICE, AND OUTPUT
DEVICE

4. CENTRAL PROCESSING UNIT (CPU)
• DIRECTS THE OPERATION OF THE
COMPUTER, PERFORMS OPERATIONS AND
CALCULATIONS, AND DIRECTS THE STORAGE
AND RETRIEVAL OF INFORMATION

5. INPUT DEVICES
• SENDS DATA TO THE CPU
• EXAMPLES: KEYBOARD, MOUSE, GAMEPAD,
SCANNER, MICROPHONE

6. OUTPUT DEVICES
• PRESENTS DATA FROM THE COMPUTER
• EXAMPLE: MONITOR, SPEAKERS, AND
PRINTERS

7. • Random Access Memory (RAM) – temporary
storage area for data while the computer is
operating.
• Read Only Memory (ROM) – information the
computer needs to operate properly

8. • Used to store information
• Examples: hard drive, floppy disk, cds

9. -instructions that directs the computer hardware to
perform operations
• Two kinds:
– Operating System – set of basic instructions to
keep a computer remaining
– Application Software – grouped by their
function, a particular task a computer can carry
out

10. Computer Programming
• Uses computer language and converts input
information into instruction for the computer