Computer Organization Architecture

Cache and main memory I/O interface Machine instructions and addressing modes Registers

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Computer Organization Architecture - Machine instructions and addressing modes

26: Serial input data of 8085 can be loaded into bit 7 of the accumulator by

A.	Executing a RIM instruction
B.	Execution RST 1
C.	Using RESET
D.	None of these
	Answer Report Discuss
	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

27: A stack is a

A.	32-bit register in the microprocessor
B.	16-bit register in the microprocessor
C.	set of memory locations in R/W memory reserved for storing information temporarily during he execution of a program
D.	16-bit memory address stored in the h program counter
	Answer Report Discuss
	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

28: A device employing INTA line for device interrupt puts the CALL instruction on the data bus while

A.	INTA is active
B.	HOLD is inactive
C.	READY is active
D.	None of these
	Answer Report Discuss
	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

29: Which is the most appropriate match for the items in List I with the items in the List II ?
List I
A. Indirect Addressing
B. Indexed Addressing
C. Base Register Addressing

List II
1. Array implementation
2. Writing relocatable code
3. Passing array as parameter

Codes :
A B C

A.	3 1 2
B.	2 3 1
C.	3 2 1
D.	1 2 3
	Answer Report Discuss
	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

30: Both the arithmetic logic unit (ALU) and control section of CPU employ special purpose storage locations called

A.	Decoders
B.	Buffers
C.	Demultiplexer
D.	Registers
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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Computer Organization Architecture - Machine instructions and addressing modes

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