1) Which system uses base-2 a) Binary b) Denary 2) What does the 1 represent on an "on-off" swtich? a) On b) Off 3) What type of graphic is made up of pixels? a) Vector b) Bitmap 4) Which stores more characters a) ASCII b) Unicode c) Binary d) Vector 5) The mantissa is concerned with which part of the real number? a) Range b) Precision 6) Which is an example of a control character a) A b) B c) ESC d) # 7) What do you call the total number of pixels a) Vectorq b) Bitmap c) ASCII d) Resolution 8) What is 00001111 in decimal? a) 16 b) 15 c) 1111 d) 31 9) What is the exponent of this real number 31.50 a) 3150 b) 2 c) 3 d) real 10) What is the name given to a shape with many sides? a) Hexagon b) Line c) Ellipse d) Polygon 11) Give one example of a common vector attribute a) Fill colour b) Pixels c) Zoom d) Ellipse 12) What is the name of this shape a) Oval b) Circle c) Line d) Ellipse 13) What is the number 65 in 8 bit binary a) 01000001 b) 10000001 c) 1000001 d) 00000111 14) How many bits does extended ASCII used to store each character a) 8 b) 7 c) 16 d) 32 15) How many bits does Unicode use to store each character a) 8 b) 7 c) 16 d) 32

N5 CS - Data Representation

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