Computer Systems Flashcards
How is a floating-point number represented in a computer?
Exponent
Mantissa
What are the functions of the Register ?
temporarily holds data
What are the functions of the ALU?
performs arithmetic and logic operations.
What is the point of the address bus & its functions?
only goes from the CPU and which goes into a separate storage location
What is the point of the data bus & its functions?
it’s bi-directional moves data between the CPU & memory
What is the point of the control unit & its functions?
BOSS
tells reg & ALU what to do
How are vector graphics stored?
using pixel that contains binary values
What is a type of security ?
encryption which scrambles your data
firewall which blocks unauthorised access
Name 3 printable characters
T , @ , A
Name 3 non-printable characters
Backspace
Tab
Newline
Revise Denary to Binary
& Binary to Denary
What is inside Memory?
Memory has separate storage locations & each location has a unique address
