Electronics and Communication Engineering - Microprocessors

46. 

Assertion (A): In direct addressing the address of operand is specified in the instruction.

Reason (R): Direct addressing is also called absolute addressing.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct R is wrong
D. A is wrong R is correct

Answer: Option B

Explanation:

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47. 

Assertion (A): In Fortran 77 the statement IMPLICIT INTEGER (A - E) identifies all variable name which begin with A, B, C, D, or E as being of integer type.

Reason (R): IMPICIT statement in Fortran 77 is an improvement over earlier versions of Fortran.

A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct R is wrong
D. A is wrong R is correct

Answer: Option B

Explanation:

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48. 

Which of the following assembler directives in 8085 does not cause any memory location to be used μp?

A. D S
B. D B
C. D W
D. E Q U

Answer: Option D

Explanation:

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49. 

The storage capacity of DSDD disk and DSHD disk are

A. 1.2 MB each
B. 360 KB each
C. 1.2 MB and 360 KB respectively
D. 360 KB and 1.2 MB respectively

Answer: Option D

Explanation:

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50. 

Which of the following is also called Non volatile RAM?

A. Shadow RAM
B. UVEPROM
C. EEPROM
D. Both (b) and (c)

Answer: Option A

Explanation:

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