Control Flashcards
(23 cards)
What is rom
READ ONLY MEMORY- NON VOLITILE- ALWAYS STORES DATA
What is ram
RANDOM ACCESS MEMORY-VOLITILE- DOESNTS STORE DATA PERMANTLEY
what is an input device (eg…)
it is a piece of hardware that is used to capture data (keyboard, mouse)
what is an output device
a piece of hardware that is used to display/ output data
what is malware
software virus
what is a virus
a piece of computer data which copies itself without your permission
what is hardware
external and internal parts of the computer that you can touch
what is software
programs that run the computer
what is an algorithm
a sequence of instructions
what is selection
whether a code should be execute or not
3 advantages of computer control
-can work 24hrs a day
-don’t need to be paid
-process data quickly
3 disadvantages of computer control
-software expensive
-may malfunction
-cant react to unexpected events
linear
go through the data until you find the value
binary
the mid point
bubble
go from the right onwards
insertion
go from the left onwards
what is binary the opposite to ?
bubble and insertion
what is print
used to output data to the screen
what is string
whatever appears in quotation marks
what is a syntax
used to describe rules, which determine the way that commands must be written
what is a variable
a named storage location that can hold data (may change during the execution of a program
what is an input command
makes it able to interact with the program
what is a comment
allow people to understand the intentions of the person who created the code
