Computing Flashcards
What is an Algorithm?
A set of instructions that achieve a task
What is a Sequence?
Following instructions one after the other
What is a variable?
A named container for a value (which can be inspected of altered by the program)
What is an iteration?
A repeated set of instructions
What is a Selection?
A choice of which set of code to follow is dependent on a true or false question
What is a Program?
A set of algorithms that have been created to solve a problem - commonly known as apps (application software)
What is an Input?
A method of entering data onto a computer system, usually with an input device, such as a keyboard or mouse
What is an Output?
A methos of displaying information to a user e.g. a screen
What is a CPU?
The central processing unit - every command passes through the CPU
What is an RAM
Random access memory, very fast, volatile data storage, contains the operating system, current programs and data
What is an ROM
Read only memory, non-volatile memory, contains the boot strap and Blos
What is Volatile
Data is lost when the machine is turned off
