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The assembler directive EQU, when used in the instruction: Sum EQU 200 does ________

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The assembler directive EQU, when used in the instruction: Sum EQU 200 does ________

(a) Finds the first occurrence of Sum and assigns value 200 to it

(b) Replaces every occurrence of Sum with 200

(c) Re-assigns the address of Sum by adding 200 to its original address

(d) Assigns 200 bytes of memory starting the location of Sum

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My enquiry is from Assembly Language in division Machine Instructions and Programs of Computer Architecture

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The correct option is (b) Replaces every occurrence of Sum with 200

Easy explanation: This basically is used to replace the variable with a constant value.

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