Computing GCSE Chapter 4 Key Words

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C O V E R F L O W R X A K E H E C T K B
W X G G A G G U Q E C X K U E V I V F G
Q A N A L O G U E G D J O E O E T G X S
G X T O M X C Q H I L I T D M C R T H T
E U T Y X H O P E S T A M O F E E E X Y
T B F G C Q T A T T R V T M T A S S Q D
H A V G B S E J S E I L F N I C E R O W
E T Q E P P C X L R P J U Y A C F E P R
R A T G W A A P H F W O W Y T U H T V X
E D R R H T M G E X C E P L O M F C M D
S A I Q T A S L X M X X F P C U A A E N
O T E R S J D N A N B T D R Q L N R C O
L E S F C W C R D X N P R E S A T A N H
U M F S M G G J E U D A X M R T B H R B
T K Q K T O N O C X V C U Q X O N C V V
I Y U G R A X M I K L V R O B R T V T I
O I G P E O O F M N Y H N A N U R X G B
N P N D W N Y O A F R W X F U I Q U F L
Q L M L L V V J L W P K L A P D B C K J
P B D F O F Q K V Q W D U U W A T K P L

Clues

  • A register in the CPU that keeps the address of the next instruction. (7, 7)
  • A register in the CPU that stores data currently being used by the CPU. (11)
  • Information about the image data that allows the computer to recreate the image from the binary data in the file. This must contain the height and width in pixels and the colour depth in bpp (bits per pixel). (8)
  • Refers to continuously changing values. (8)
  • Special fast access part of the CPU that stores data in use by the CPU. (8)
  • The base-16 number system. (11)
  • The characters available to a computer. (9, 3)
  • The number of pixels or dots per unit, for example ppi (pixels per inch), often referred to as dpi (dots per inch). (10)
  • The number of times the sound is sampled per second, measured in Hz (100 Hz is 100 samples per second). (6, 4)
  • When a number becomes too large to fit into the number of bits allocated it is said to 'overflow' and some bits are 'lost' leaving an incorrect value. (8)

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