True or False. 1. Common hazards when disassembling a computer are dull metal ed

Question

True or False. 1. Common hazards when disassembling a computer are dull metal edges and getting dust on the motherboard. 2. If the instruction at address 40 is being processed then it is possible that the next instruction to be processed is at address 50. 3. The BRP instruction never causes the PC to change any other instruction except the next instruction. 4. It is possible to have a sequence of Little Man instructions so that the accumulator will not be positive, zero, or negative. 5. One must NEVER read from a register that one hasn't written to earlier in the execution program. 6. The primary purpose of channel programs is to transfer data using DMA between the CPU and Memory.

Explanation / Answer

1) TRUE

2) FLASE; it may jump according to the instructions @ 40

3) FALSE;This instruction can be used to provide to hardware early information about a future branch. It has no effect on architectural machine state, and operates as a nop instruction except for its performance effects.

5) TRUE

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