Key terminology and hardware of a computer. Flashcards
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RAM
Random-access memory, very fast, volatile data storage, contains the operating system, current
programs and data
CPU
The central processing unit – every command passes through the CPU
ROM
Read only memory, non-volatile memory, contains the boot strap and BIOS
Output
A method of displaying information to a user e.g. a screen
Input
A method of entering data onto a computer system, usually with an input device, such as a
keyboard or mouse
Program
A set of algorithms that have been created to solve a problem – commonly known as apps
(application software)
Selection
A choice of which set of code to follow is dependent on a true or false question – common
selections are “if then else”, “when..do”
Iteration
A repeated set of instructions – common loops include forever, while true, while
Variable
A named container for a value (which can be inspected or altered by the program)
Sequence
Following instructions one after the other
Algorithm
A set of instructions that achieve a task
Hardware
The machines, wiring, and other physical components of a computer or other electronic system
Software
The programs and other operating information used by a computer
Motherboard
A printed circuit board containing the principal components of a computer or other device, with connectors for other circuit boards to be slotted into
Monitor
It’s just the screen I can’t be bothered to google the definition
