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Questions and Answers
What does the 'D;JNE' instruction do in Hack assembly language?
What does the 'D;JNE' instruction do in Hack assembly language?
- Jumps if D < 0
- Jumps if D > 0
- Jumps if D = 0
- Jumps if D ≠ 0 (correct)
In the context of branching instructions, what does 'D;JGE' mean?
In the context of branching instructions, what does 'D;JGE' mean?
- Jump if D < 0
- Jump if D = 0
- Jump if D ≥ 0 (correct)
- Jump if D > 0
What is the purpose of the 'D;JEQ' instruction in Hack assembly language?
What is the purpose of the 'D;JEQ' instruction in Hack assembly language?
- To jump if D > 0
- To jump if D = 0 (correct)
- To jump if D ≤ 0
- To jump if D < 0
What does the instruction 'D;JLE' do in the context of typical branching instructions in Hack assembly language?
What does the instruction 'D;JLE' do in the context of typical branching instructions in Hack assembly language?
If we encounter '@ constant (A ← constant)', what does this signify in Hack assembly language?
If we encounter '@ constant (A ← constant)', what does this signify in Hack assembly language?
Which register is used as a data register in the Hack instructions mentioned?
Which register is used as a data register in the Hack instructions mentioned?
In the Hack instructions, what does the command 'D=D+A' signify?
In the Hack instructions, what does the command 'D=D+A' signify?
What is the purpose of the '@ constant' instruction in the Hack assembly language?
What is the purpose of the '@ constant' instruction in the Hack assembly language?
Which instruction is used to assign the value of 1 to register D in the Hack instructions?
Which instruction is used to assign the value of 1 to register D in the Hack instructions?
What does the instruction 'M=M-D' do in the context of Hack assembly language?
What does the instruction 'M=M-D' do in the context of Hack assembly language?
In Hack instructions, what does 'A ← constant' signify?
In Hack instructions, what does 'A ← constant' signify?
What is the base address of the screen memory map in the Hack computer?
What is the base address of the screen memory map in the Hack computer?
How many memory blocks are used for the screen memory map in the Hack computer?
How many memory blocks are used for the screen memory map in the Hack computer?
In the screen memory map, what data is represented by '1000000000000000'?
In the screen memory map, what data is represented by '1000000000000000'?
How many bits are used to render output in the screen memory map of the Hack computer?
How many bits are used to render output in the screen memory map of the Hack computer?
What does the 'refresh' operation do in the screen memory map?
What does the 'refresh' operation do in the screen memory map?
In the screen memory map, what does '0000000010101111' represent?
In the screen memory map, what does '0000000010101111' represent?
What does the pseudocode do if R0 is greater than or equal to 0?
What does the pseudocode do if R0 is greater than or equal to 0?
In the provided pseudocode, what happens when R0 is less than 0?
In the provided pseudocode, what happens when R0 is less than 0?
What is the purpose of the 'POS' label in the pseudocode?
What is the purpose of the 'POS' label in the pseudocode?
What would happen in the pseudocode if the condition 'R0 ≥ 0' is false?
What would happen in the pseudocode if the condition 'R0 ≥ 0' is false?
Why is it recommended to terminate every assembly program with an infinite loop?
Why is it recommended to terminate every assembly program with an infinite loop?
'D;JGE' in the pseudocode represents what operation?
'D;JGE' in the pseudocode represents what operation?
What is the purpose of the given example in the context of pointer-based processing RAM?
What is the purpose of the given example in the context of pointer-based processing RAM?
In the given example, what does R0 represent?
In the given example, what does R0 represent?
What is the significance of R1 in the context of the provided example?
What is the significance of R1 in the context of the provided example?
How many total words are being set to -1 in the memory block in the given example?
How many total words are being set to -1 in the memory block in the given example?
Which register range is utilized for storing the values to be set in the memory block?
Which register range is utilized for storing the values to be set in the memory block?
What happens if R0 in the example points to an invalid memory address?
What happens if R0 in the example points to an invalid memory address?
