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UGC NET-PaperIII Nov2017(1)
1.In 8085 microprocessor which of the following flag(s) is (are) affected by an arithmetic operation? (1)AC flag only (2)CY flag only (3)Z flag only (4)AC,CY,Z flags

asked Nov 6, 2017 in Digital Logic by mahalakshmi r (95 points) | 765 views

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GATE1989-6b
In a certain computer system, there is special instruction implemented to call subroutines. The instruction is JSR Reg.Sub Microsequence: Temp ← Sub SP ← (SP)+2 (SP) ← (Reg) Reg ← (PC) PC ← (Temp) Where Temp is an internal CPU register Sub ... you would implement co-routine using the JSR instruction. Show the control flow diagram and the contents of the stack before and after the call.

asked Dec 1, 2016 in CO & Architecture by makhdoom ghaya Boss (39.8k points) | 52 views

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UGCNET-Dec2015-II-42
What will be the hexadecimal value in the register $ax$ (32-bit) after executing the following instructions? mov al, 15 mov ah, 15 xor al, al mov cl, 3 shr ax, cl 0F00 h 0F0F h 01E0 h FFFF h

asked Aug 8, 2016 in Others by jothee Veteran (98.9k points) | 2.4k views

+2 votes

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UGCNET-June2015-III-3
The RST 7 instruction in 8085 microprocessor is equal to CALL 0010 H CALL 0034 H CALL 0038 H CAL 003C H

asked Jul 31, 2016 in Machine Language by jothee Veteran (98.9k points) | 748 views

+1 vote

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UGCNET-June2015-II-31
Match the following: a. Forelward Reference Table i. Assembler directive b. Mnemonic Table ii. Uses array data structure c. Segment Register Table iii. Contains machine OP code d. EQU iv. Uses linked list data structure a-ii, b-iii, c-iv, d-i a-iii, b-iv, c-ii, d-i a-iv, b-i, c-iii, d-ii a-iv, b-iii, c-ii, d-ii

asked Jul 31, 2016 in CO & Architecture by jothee Veteran (98.9k points) | 184 views

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asked Jun 10, 2016 in CO & Architecture by Sourabh Kumar Active (1.9k points) | 118 views

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asked May 11, 2016 in Programming by Sanjay Sharma Boss (47.6k points) | 171 views

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