Flashcards in Ict Deck (22):
What does INP do?
Go to the INBOX, fetch the value from the user, and put it in the accumulator (calculator)
Store the contents of the accumulator in the mailbox 99.
Go to the inbox, fetch the value from the user, and put it in the accumulator (calculator)
Add the value stored in mailbox 99 to whatever value is currently on the accumulator (calculator)
Copy the value from the accumulator (calculator) to the OUTBOX.
Keyboard, scanner, mouse, USB , microscope, touch screen & web cam
Assembly language code-
Get input from user
Store this in box 99
Get another input from user
Add the contents of box 99
This section represents the boxes of memory?
Looks black on the right side and the other side has white and the instruction register in the middle
This is what the 'computer' is currently doing
Loads of numbers on the right side 000 etc and has RAM on the top
This section is where we write out program for the computer to run.
Black on the left hand side, loads of numbers on the right
These are the input and output areas?
Loads of numbers with two black blocks top and bottom.
Modifying program area?
Looks like an alien thing
CPU- what is the program counter?
Contains the current 'step' in the program
CPU- what is the instruction register?
Contains the current instruction (EG 'ADD')
CPU - what is the address register?
Contains the memory location to do something (e.g. 45)
Accumulator - CPU?
Contains the data currently in use
CPU- what is the arithmetic unit?
Arithmetic unit- competes calculations
Input is what?
Computer receives some information
Computer does 'something' with the information