Computers Flashcards
Analog
Continuous, infinitely varying
Binary
Only 2 digits-0 and 1
Power supply
Converts AC to usable DC
Mother board
Main board, system board, with expansion capability
Daughter board
Extension or expansion board
ROM
Read Only Memory
RAM
Random-access memory
Hard drive
Data storage device using metal rigid discs
Floppy drive
Data storage device using flexible plastic discs
USB
Universal Serial Bus developed to connect cables, computers and other electrical devices.
CPU
central processing unit performs the calculations
Bit
A single unit - 0 or 1
Byte
8 bits
Word
The unit of data (number of bits) used by a particular processor design
Heat sink
A component that cools a device by dissipating heat into the surrounding air