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Simple Machine Language Instructions Quiz

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Simple Machine Language Instructions Quiz

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Questions and Answers

What is the purpose of the HALT instruction in a Simple Machine Language?

To store the contents of a register in memory

To load a register with a bit pattern

To add the contents of two registers

To stop program execution (correct)

In the context of the Simple Machine Language discussed, what does it mean to 'decode' an instruction?

To translate the instruction into another language

To perform arithmetic operations on registers

To interpret and carry out the instruction (correct)

To stop program execution

How does a computer follow a program stored in its memory based on the text?

By decoding and obeying each instruction when needed (correct)

By reloading the program every time it needs to execute an instruction

By copying all instructions into the CPU from memory at once

By skipping instructions to save time

What operation does the instruction 7CB4 perform in the Simple Machine Language?

OR operation on the contents of registers B and 4 to be placed in register C Signup and view all the answers

What does the instruction A403 do in the Simple Machine Language?

Rotates the contents of register 4 three bits to the right in a circular fashion Signup and view all the answers

What is the purpose of the instruction B43C in Simple Machine Language?

Compares the contents of register 4 with register 0 and jumps to address 3C if equal Signup and view all the answers

What is the purpose of JUMP instructions in a machine's repertoire?

To enable the CPU to execute instructions out of order Signup and view all the answers

What is the key difference between unconditional jumps and conditional jumps?

Unconditional jumps do not alter the program flow, while conditional jumps do Signup and view all the answers

In machine language, what does the op-code field of an instruction indicate?

The type of elementary operation requested by the instruction Signup and view all the answers

How many main memory cells does the machine described in the text have, and what is the capacity of each cell?

256 cells, each with a capacity of 8 bits Signup and view all the answers