1
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
The following sequence of instructions are executed by an 8085 microprocessor:
1000: LXI SP< 27FF
1003: CALL 1006
1006: POP H

The contents of the stack pointer (SP) and the HL register pair on completion or execution of these instructions are.

A
SP= 27FF, HL = 1003
B
SP= 27FD, HL = 1003
C
SP= 27FF, HL = 1006
D
SP= 27FD, HL = 1006
2
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
The total number of memory accesses involved (inclusive of the op-code fetch) when an 8085 processor executes, the instruction LDA 2003 is
A
1
B
2
C
3
D
4
3
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
An 'Assembler' for a microprocessor a used for
A
assembly of processors in a production lines.
B
creation of new programs using different modules.
C
translation of a program from assembly language to machine language.
D
translation of a higher level language into English text.
4
GATE ECE 1993
MCQ (Single Correct Answer)
+1
-0.3
In a microprocessor, the register which holds the address of the next instruction to be fetched is
A
Accumulator
B
Program Counter
C
Stack Pointer
D
Instruction Register
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