RAO & NAIDU ENGINEERING COLLEGE
CAMPUS CONNECT PROGRAM PRE TEST
Date: 19-07-2011
Roll No : 0_771A05_ _ Section : IV CSE A/B
Answr all , each carries 1 mark Max Marks : 20 ,Time :30 min
1 .Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent Prefix notations. [ ]
a) ^ - * +ABC - DE + FG b) + ^AB + C * DE - - FG c) - ^* ABC - DE + FG + d)none
2. In general ,if there are n nodes, there exist ________________ different trees. [ ]
a) 2n-1 b) 2n-n c) 2n-1- n 3) 2n+1-n
3. while(1) { printf(“X”);} output is [ ]
a)XXXXXX b)XXXXX c)XXXXXX d)idefinate loop prints XXXXXXX……
4. DCL stands for [ ]
a)Data connection Language b)Data commission Language
c)Data Control Language d)Data Language For Control
5.Views are [ ]
a)stored queries b)stored tables c)stored database d)stored indexes
6.Name the three major set of files on disk that compose a database in Oracle [ ]
a) Database files b) Control files c) Redo logs d)all
7. An abstract class is?
a) A generalized class b) A specialized classes c) An Interface [ ]
d) one method should be abstract method
8. Which of the below testing is an example for validation
a) unit testing b)Integration testing c)system testing d)alpha testing [ ]
9. Date class exists in which package ?
a)lang b)io c)util d)sql
10. An IPV4 address consist of -------- bits [ ]
a)32 b)64 c) 48 d)52
11. which socket structure belongs to IPV4 family. [ ]
a)sockaddr{} b)sockaddr_in{} c)sockaddr_un{} d)sockaddr_in4{}
12.which is a connection less protocol ? [ ]
a)TCP b)UDP c)ARP d)IP
a) Cache memory b) Magnetic bubble memory c) Magnetic core memory d) RAM
14. Virtual memory size depends on [ ]
a) address lines b) data bus c) disc space d) a & c
15. Context switch takes place when process [ ]
a) blocks b)i/o interrupt occurs c)terminates d)all
(a) Parallel to serial conversion
(b) Serial to parallel conversion
(c) Digital delay line
(d) All the above
(b) Serial to parallel conversion
(c) Digital delay line
(d) All the above
17. In a processor these are 120 instructions . How many bits needed to implement these instructions. [ ]
a) 6 b) 7 c) 10 d) none
a) Reallocation
b) Allocation
c) Linking
d) Both (a) and (b)
b) Allocation
c) Linking
d) Both (a) and (b)
19. Piggy backing is a technique for [ ]
a) Flow control
b) Sequence
c) Acknowledgement
d) retransmition
20. What is the max. decimal number that can be accomodated in a byte. [ ]
a) 128
b) 255
c) 256
d) 512
Answer key for campus connect pre test dt: 19-07-2011 3 P.M.
Q.No Ans
___________________
1 a
2 b
3 d
4 c
5 a
6 d
7 a/d [ who's option 'd' they are real persuers]
8 d
9 c
10 a
11 b
12 b
13 a
14 a
15 d
16 d
17 b
18 d
19 c
20 b
_____________________________
any queries mail ravinuthalavs@gmail.com
rvs
cse dept
Rao & Naidu engg college
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