COMPUTER SOFTWARE
PROGRAMMING LANGUAGES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Machine Code
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High Level
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Assembly Language
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None of the above
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Detailed explanation-1: -ADD: This instruction adds 2 values (from 2 registers or from a register and an immediate value) and puts them into a register. Similar format is used for SUB, MULT, DIV, MOD. For eg. “ADD R1 R2 R3; ‘’ will move the value R2+R3 into R1.
Detailed explanation-2: -The effective address of the following instruction is MUL 5(R1, R2). Explanation: The addressing mode used is base with offset and index.
Detailed explanation-3: -The Add R1, R2, R3 instruction requires three operands to be added, and the result is stored in R1.
Detailed explanation-4: -Transfer the contents of register PC to register MAR. Issue a Read command to memory. Transfer the instruction from MDR into IR and decode it. Transfer contents of R1 and R2 to the ALU. More items •18-Feb-2020