1. While selecting a memory chip the feature which should be examined is
a. capacity
b. ac characteristics
c. dc characteristics
d. all of the above
Ans- d. all of the above
2. To evaluate X = (A + B + 1.2) * (A + B - C) the sequence of operation is
a. + + + - * =
b. * + + + - =
c. + + - * + =
d. - + + + * =
Ans- a. + + + - * =
3. A 256 x 4 EPROM has
a. 8 address pins and 4 data pins
b. 8 address pins and 8 data pins
c. 4 address pins and 8 data pins
d. 4 address pins and 4 data pins
Ans- a. 8 address pins and 4 data pins
4. Which of the following can not be used as a variable name in C?
a. else
b. coal
c. ram
d. vendy
Ans- a. else
5. EEPROM permits
a. read operation only
b. read and byte erase operations
c. read, byte erase and byte write operations
d. read, byte erase, byte write and chip erase operations
Ans- d. read, byte erase, byte write and chip erase operations
6. Consider the following DO statement in Fortran 77
DO 52 N = 1, 10, 3
The number of DO loop executions in the above statement is
a. 1
b. 10
c. 3
d. 4
Ans- d. 4
7. In
ALU 1C 74181
the addition and subtraction is in
a. 2's complement
b. 1's complement
c. binary
d. none of the above
Ans- a. 2's complement
8. Which of the following is invalid in Basic?
a. A ** B + - C
b. A ** B - C
c. A * B - C
d. A * B - C ** D
Ans- a. A ** B + - C
9. In Java it is possible to have
1. An array of integers
2. An array of string objects
3. An array of arrays
4. An array on integer and strings
Which of the above are correct?
a. All
b. 1, 2 and 3 only
c. 1 and 2 only
d. 1, 3 and 4 only
Ans- b. 1, 2 and 3 only
10. Which is not a valid Java variable
a. lot
b. c 1t
c. s $ 2
d. 2 s $
Ans- d. 2 s $