hardware Flashcards
GLOSSARY
intellectual property?
the property of your mind
APA?
- American Psychological Association
- type of referencing, using in-text citation and end-text referencing
in-text citation?
- after using a direct quote or another persons idea/works you must include the author, page number, year
hardware?
the physical components of a computing system
software?
the programs and operating info used in and to run a computer
peripherals?
external add-on devices used to transfer info in and out of a computer
input device?
device that sends info into the computer, to be processed
output device?
a device that displays the processed info
processing?
the transformation of the input data to a more meaningful form in the CPU
primary storage?
volatile memory used by the CPU
secondary storage?
non-volatile storage units
slowest form
cannot be processed directly by the CPU
DRAM?
Dynamic RAM
type of ram that is continuously refreshed, resulting in better performance
types of primary storage?
cache
ram
registers
types of secondary storage?
flash
SSD
HDD
optical disk
volatility?
volatile - does not keep data after shutting down
non-volatile - keeps data after shutting down
clock cycle speed?
- speed at which the CPU can execute instructions
- measured in GHz
control unit?
- subcomponent of the cpu that manages the computers operations
- directs systems
- communicates to ALU
- co ordinates activites of other units, peripherals and axiliary storage
ALU?
circit that performs arithmetic and logic operations
- cu tells alu what operation to perform
- alu executes instructions
operating system?
- processes start up instructions, communicates between software
- manages UI, CPU, memory, storage, security
