Lab Quiz 5 Essay

708 Words 3 Pages
1.
In the Wombat 1 machine: 1. mar and mbr are connected directly to 2. A value from memory is placed in this register by the FETCH sequence and DECODED as an instruction. 3. Data going to or from memory always goes via this register 4. This register is often used to hold a program address but does not usually contain the address of the instruction being executed. 5. When the "RAM Main" is being read from or written to, the address used will be the one held in this register 6. The Wombat 1 "add" instruction always places its answer in this register a. mar b. pc c. RAM Main d. mbr e. ir f. acc
1 points

Correct Answer:
…show more content…
Put the following hexadecimal numbers in increasing order ___ 000016
___ 000116
___ 001016
___ 010016
___ 011116
___ 011016
___ 001116 ___ 010116
1 points

Correct Answer:
1. 000016 2. 000116 3. 001016 4. 001116 5. 010016 6. 010116 7. 011016 8. 011116

10. If the instruction at address 0 is: load 0
Then when executed, the bit pattern of a load 0 instruction will be placed in acc
1

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