Operating System (OS)
Which of the following is not true about documentation?

Documentation increases the maintenance time and cost
All of these
Documentation gives better understanding of the problem
None of these
Documentation, of a system, should be as clear and direct as possible

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

which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
All of these
None of these
have both their operands in the main store.
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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