Microprocessor
A microprocessor is ALU

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

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Microprocessor
Which of the following statements for intel 8085 is correct?

 Program Counter (PC) specifies the address of the instruction last executed
 PC specifies the address of the instruction being executed
 PC specifies the address of the instruction to be executed
 PC specifies the number of instructions executed so far

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Microprocessor
DS directive in 8085

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

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