1. Which of the following is not a valid variable name in C?
a. 1 a
b. a 1 2
c. a b 123
d. a b c 123
Ans- a. 1 a
2. IC (instruction cycle), FC (fetch cycle) and EC (executive cycle) are related as
a. IC = FC - EC
b. IC = FC + EC
c. IC = FC + 2EC
d. EC = IC + EC
Ans- b. IC = FC + EC
3. To multiply a number by 8 in 8085 we have to use RAL instruction
a. once
b. twice
c. thrice
d. four times
Ans- c. thrice
4. When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode
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
Ans - b. .4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed
5. Which of the following can be accessed only sequentially?
a. Floppy disk
b. Hard disk
c. Magnetic tape
d. ROM
Ans- c. Magnetic tape
6. Binary number 1101.101 is equivalent to decimal number?
a. 13.5
b. 13.75
c. 13.625
d. 13.875
Ans- c. 13.625
7. MICR stands for
a. Magnetic Ink Chart Receipt
b. Magnetic Ink Character Recognition
c. Magnetic Ink Chart Recognition
d. Magnetic Ink Character Receipt
Ans- b. Magnetic Ink Character Recognition
8. JCOKE = 3
JCOKE = JCOKE + 1
GO TO (5, 8, 9, 11, 15, 16 18, 20) JCOKE.
After the execution of above statement, the control is transferred to statement number
a. 8
b. 11
c. 16
d. 20
Ans- b. 11
9. 8085 has 6 sign flags.
a. TRUE
b. FALSE
Ans- b. FALSE
10. Expression ++i is equivalent to
a. i = i + 2
b. i = i + 1
c. i = i - 1
d. i = i + i + i
Ans- b. i = i + 1