CSE Freshers Interview Technical Questions

CSE Freshers Interview Technical Questions

1.A,B,C,D,E have individual beds .A has 3 extra beds .C has 3 extra beds. B,D,E have 1 extra bed. A&C have lawn.the person with lawn &1 extra is A&C.E has cooler.based on this 5 questions were asked.
Antonyms:cognizance,smile,spurious,grin,boot,portnel,sanguine
Synonyms:smile,spunk,ambiguous
Technical:
1.which one is not a signal bus :address bus , data bus ,control bus , DMA bus
2.fan operates on 2 phase ,then to operate on 1 phase which of the following is used LC circuit ,RLC circuit ,capacitor phase splitter
3.load 2057h in H &L by use of the following instruction :LXI 2057h
4.q’s related to OSI model
5.stack used for LIFO
6.which of the foll storage is faster : cache,primary,secondary,alu,cpu
7.find 2*2<<2/2+4
8.which disk scheduling algo gives equal time sharing(round robin)
9.the modern RDBMS can do anything except :store bit & text ,allow different user ,security ,…..
10.when pr. encounters :BSB 64 what will be the content of the memory address 64
11.lots of q’s based on what comes next (set of figs)
12.q based on calloc in c
13.CISC & RISC related q’s
14.q’s based on which of the foll is the correct order ( from sql)
15.difference b/w gateway & router (ans choice b)
q’s split up
visual reasoning (10),numerical reasoning (15),verbal reasoning (15),sequential reasoning (15),spatial reasoning (15),vocabulary(15),3D analysis(15)
1.Which is not valid cycle in a micro processor?
a.memory read b. memory write c.I/O read d. address
2.which is not a signal bus? A.address bus b. data bus c.DMA bus d. control bus
3.OOPS follows a.heirarchy b.graph
4.TCP/IP works in a.ethernet b.X.25 c.all the above
5.46*46*46*46
6.while selecting the primary key which of the following should be taken into account?
a. NULL b.unique key c.secondary key
7.The size of each memory location is is 8 bits.each instruction has to perform 6 operations.what is the number of locations that can be accessed? Ans:32
8.I/O using same address space of memory is called as
a. memory mapped I/O b.I/O mapped I/O c.mem mapped mem d.I/O mapped mem
9.data transfer between nodes is faster in which topology? A.ring b.star c.bus d.mesh e.totally connected
10.Expasnsion of TSR, PSTN?
11.Number of layers in OSI model.
12.If IP is of 4 bytes then IPX is a.8 b.16 c.32 d.64
13.PCM is used for -------------
a.frequency division multiplexing
b.time “ “
c.wave length “ “
d.none of the above
14.what is the instruction used for loading address 2050H to HL registers?
a.LODH 2050 b.LXI 2050H c.LDA 2050H
15.if accumulator contains AAh and if RLC is executed twice what will be the output?
16. RS flip flop is similar to which of the following?
a. astable multivibrator b.monostable c.bistable d.none
17.class c:
{
public a:
public b:
}
is a,b,c different or same”
18.main()
{
int s=3;
switch(s)
{
case ‘1’: printf(“helle”);
case ‘2’: printf(“dsdsad”);
default : printf(“sdfasdf”);
}
19.main()
{
int x;
x=2*2<<2/2+4;
printf(“%d”,x);

20.static int a[12];
printf(“%d”,sizeof(a));
21.main()
{
char s[]=”c for yourself”;
i=0;
while(s[i])
{ if(s[i]!=’ ‘)
s[i]+=1;i++;}
printf(“%s”,s);
}

topics to be studied
OOPS,C,SQL,TCP/IP,OSI model ,RDBMS

TECHNICAL


1.How many layers are there in OSI model?
2.In a TCP/IP model the passage of info down stream is of the pattern
  1. bits-bytes-packets-frames
  2. bits-packets-frames
  3. frames-packets-bytes-bits
3.A motor needs a minimum of two phase. How come a fan works with a single phase motor?
4.What is the secondary voltage in a transformer if the primary voltage is V1 and the turns ratio is N2/N1?
5.Storage is fast in which of the following? A.CPU registers b.cache c.main memory d.secondary memory.
6.Which signal not present in ROM is present in RAM? A.READ B.WRITE C.A&B D.NONE
7.In which of the following, the application is run by time slicing?ans: round robin
8.Stack operation is? A.FIFO b.LIFO c.FILO d.LILO
9.If in 8085 MPU the instruction set is in execution in address 2057H, then PC will contain the address______?
10.CISC stands for ___________
11.Convert binary to octal 01001010111
12.Give the BCD equivalent of the number 1100

C QUESTIONS


1.main()
{
enum
{ jan,feb=4,march,april};

  1. jan=0,feb=4,march=5,april=6.
  2. Jan=1,feb=4,march=5,april=6.
  3. Error
2.main()
{
int i;
i=2*2<<2/2+4;
printf(“%d”i);
getch();
}

  1. 4 b) 128 c)36






3.main()
{
int a={1,2,3,4}
ptr=a;
*(a+3)=++ptr+*ptr++;

a) the value of a is changed
  1. the value of a is unchanged
  2. compilation error
  3. syntax error


4.main()
{
char s=3;
switch(s);
{
case1:
printf(“CSC”);
case2:
printf(“hai”);
default:
printf(“bye”);

a)bye
b)hai
c)csc
d)error





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