F451- Registers and Buses

Some definitions of registers and what they do. All registers are in full names.

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

Clues

  • Carries data from one register to another (4, 3)
  • Carries the location of the data and where it is going (7, 3)
  • Contains address of the next instruction (7, 7)
  • Contains contents from the address specified earlier, the data used with instruction (6, 4, 8)
  • Transmits control signals to the rest of the processor (7, 3)

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