Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 2,3&4
 1,2 & 3
 1,3 &4
 1,2 & 4

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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 true but R is false.
 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 false but R is true.

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Microprocessor
DS directive in 8085

Forces the assembler to reserve a specified number of consecutive bytes in the memory
Forces the assembler to reserve one byte of memory
None of these
Forces the assembler to reserve a specified number of bytes in the memory

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