Operating System (OS)
An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as

None of these
procedure name
macro
literal
label

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Operating System (OS)
The Register - to - Register (RR) instructions

have both their operands in the main store.
All of these
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these
which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also

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