Sample Test Paper
1. Which of the
following involves context
switch,
(a) system call
(b) priviliged instruction
(c) floating poitnt exception
(d) all the above
(e) none of the above
Ans: (a)
2. In OST, terminal emulation is done in
(a) sessions layer
(b) application layer
(c) presentation layer
(d) transport layer
Ans: (b)
3. For a 25MHz
processor
, what is the time taken by the instruction which
needs 3 clock cycles,
(a)120 nano secs
(b)120 micro secs
(c)75 nano secs
(d)75 micro secs
4. For 1 MB memory, the number of address lines
required,
(a)11
(b)16
(c)22
(d) 24
Ans. (b)
5. Semaphore is used for
(a) synchronization
(b) dead-lock avoidence
(c) box
(d) none
Ans. (a)
6. Which holds true for the following statement
class c: public A,
public B
a) 2 member in class A,
B should not have same name
b) 2 member in class A, C should not have same name
c) both
d) none
Ans. (a)
7. Question related to
java
8. OLE is used in
a) inter connection in
unix
b) interconnection in WINDOWS
c) interconnection in
WINDOWS
NT
9. Convert a given HEX number to OCTAL
10. Macros and function are related in what aspect?
(a)recursion
(b)varying no of arguments
(c)hypochecking
(d)type declaration
11.Preproconia.. does not do which one of the
following
(a) macro
(b) conditional compliclation
(c) in type checking
(d) including load file
Ans. (c)
12. Piggy backing is a technique for
a) Flow control
b) Sequence
c) Acknowledgement
d) retransmition
Ans. (c)
13. In signed magnitude notation what is the minimum
value that can be represented with 8 bits
(a) -128
(b) -255
(c) -127
(d) 0
14. There is an employer table with key fields as
employer number data
in every n'th row are needed for a simple
following queries will get required results.
(a) select A employee
number from employee A , where exists from employee B
where A employee no. >= B
employee having (count(*) mod n)=0
(b) select employee number from employe A, employe B
where A employe number>=B employ number
group by employee number having(count(*) mod n=0 )
(c) both (a) &a
