Addressing Modes | Multiple Questions and Answers

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Addressing Modes Multiple Questions and Answers.

16.	In a microprocessor system, the RST instruction will cause an interrupt

	A.	only if an interrupt service routine is being executed
	B.	only if a bit in the interrupt mask is made 0
	C.	only if interrupts have been enabled by an EI instruction
	D.	None of these

17.	An instruction used to set the carry flag in a computer can be classified as

	A.	Data transfer
	B.	Process control
	C.	Logical
	D.	None of these

18.	Microprocessor 8085 is the enhanced version of ......... with essentially the same construction set

	A.	6800
	B.	68000
	C.	8080
	D.	8088

19.	In a generic microprocessor instruction cycle time is

	A.	Shorter than machine cycle time
	B.	Larger than machine cycle time
	C.	Ten times the machine cycle time
	D.	Exactly the same as the machine cycle time

20.	The stack pointer in the microprocessor is a

	A.	16 bit register that point to stack memory locations
	B.	32 bit accumulator
	C.	memory location in the stack
	D.	flag register used for the stack

Read More :

» Microprocessor Section - 1

» Basic Assembly Language

» Addressing Modes

» Arithmetic Operations

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