4.7.3 The structure and role of the processor and its components

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

Clues

  • Holds the contents of a memory location that has been read from or data that is to be stored. AKA Memory Data Register. ____________ Register (12)
  • Holds the current instruction being executed. __________________ Register. (18)
  • Shifting all the bits in a number to a specified number of positions the right or left (12)
  • Stores the memory address of a memory location that is to be read of written to. _____________ Register (13)
  • The factor that affects the processor performance by increasing the computer's amount of addressable memory (15)
  • The factor that affects the processor performance by increasing the volume of data that can be transferred over the bus at one time (12)
  • The part of the CPU that is responsible for controlling the various components of the processor (11)
  • The part of the CPU that performs arithmetic computations and logical operations (19)
  • The way in which the operand is interpreted (14)
  • Used to hold the memory address of the next instruction to be executed (14)

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