Computing science test 2 Flashcards
What does the mantissa hold?
The mantissa holds the significant figures
What is bitmapped graphics?
Images saved as a bit map using bits to represent the colours in each pixel.
What is the advantage of a bit mapped graphic?
The graphics can be edited at pixel
Disadvantages of a bit mapped graphic
level - file sizes can be large
What are the vector graphic objects?
Line, ellipse and polygon
What are the attributes?
Line colour and fill colour.
What are the advantages of a vector graphic?
the graphics can be moved and scaled
What are the disadvantages of a vector graphic?
Cannot edit part of the object
What is the ALU?
The Arithmetic and Logic Unit which carries out calculations and logic functions (AND, OR) that enables the processor to make decisions.
What is the Control Unit?
The control Unit manages the fetching, decoding and executing of instructions.
