Microprocessor
Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low.

 A is false but R is true.
 Both A & R are true and R is the correct explanation of A.
 Both A & R are true but R is not the correct explanation of A .
 A is true but R is false.

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Microprocessor
In a vector interrupt

 the branch address is obtained from a register in the processor.
 the interrupting source supplies the branch information to the processor through an interrupt vector.
 the branch address is assigned to a fixed location in memory.
 none.

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Microprocessor
The correct sequence of steps in the instruction cycle of a basic computer is

 Fetch, Decode, Read effective address and, Execute.
 Fetch, Read effective address, Decode and Execute.
 Fetch, Execute, Decode and Read effective address.
 Read effective address, Decode, Fetch and Execute.

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Microprocessor
A microprocessor is ALU

 register unit and control unit on a single chip.
 and control unit on a single chip.
 register unit and I/O device on a single chip.
 and memory on a single chip.

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