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Electronics and Communication Engineering - Microprocessors

Exercise : Microprocessors - Section 6
26.
Consider the following program for 8085

MOV A, D
RAL
MOV D, A

 If initial contents of register D is decimal number 20, the final content of register D is
decimal 20
decimal 40
decimal 10
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.

Assertion (A): In C a variable name can have upto 8 characters and special symbols can also be part of variable name.

Reason (R): In C a type declaration at the beginning of program indicates the type of variable name used in the program.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A string constant in basic is
a string of capital alphabets A to Z, included in question mark
a string of capital alphabets A to Z and digits 0 to 9 included in question mark
a string of capital alphabets A to Z, digits 0 to 9 and special characters
a string of capital alphabets A to Z, digits 0 to 9 and special characters included in question mark
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.

Assertion (A): In 8085 when RESET OUT goes low processing begins.

Reason (R): CPU remains reset till RESET IN signal goes high.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
In microprocessor 8088
8 data bits are multiplexed with 8 least significant bits of address bus
8 data bits are multiplexed with 8 most significant bits of address bus
16 data bits are multiplexed with 16 bits of address bus
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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