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ECE :: Microprocessors

1. Which of the following can be accessed only sequentially?

2.  A. Floppy disk B. Hard disk C. Magnetic tape D. ROM

3. MICR stands for

4.  A. Magnetic Ink Chart Receipt B. Magnetic Ink Character Recognition C. Magnetic Ink Chart Recognition D. Magnetic Ink Character Receipt

5. 8085 has 6 sign flags.

6.  A. True B. False

7. JCOKE = 3JCOKE = JCOKE + 1GO TO (5, 8, 9, 11, 15, 16 18, 20) JCOKE.

After the execution of above statement, the control is transferred to statement number

8.  A. 8 B. 11 C. 16 D. 20

9. Binary number 1101.101 is equivalent to decimal number?

10.  A. 13.5 B. 13.75 C. 13.625 D. 13.875

11. Expression ++i is equivalent to

12.  A. i = i + 2 B. i = i + 1 C. i = i - 1 D. i = i + i + i

13. To multiply a number by 8 in 8085 we have to use RAL instruction

14.  A. once B. twice C. thrice D. four times

15. IC (instruction cycle), FC (fetch cycle) and EC (executive cycle) are related as

16.  A. IC = FC - EC B. IC = FC + EC C. IC = FC + 2EC D. EC = IC + EC

17. Which of the following is not a valid variable name in C?

18.  A. 1 a B. a 1 2 C. a b 123 D. a b c 123

19. When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode

20.  A. none of the numbers is changed to any other form B. .4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed C. .5433 E 7 is changed to 54.33 E 5 and .4546 E 5 is not changed D. both the numbers are changed and their exponents are made equal to 6