Placement Papers - CTS

Hi Friends

I appeared on 21st Feb for CTS, on 20th I appeared for Wipro but i eliminated in the last round. CTS paper was normal. there are three section in placement

1.Apti
2.Technical interview
3.HR tnterview

in Aptitude there are three section
a--find incorrect sentences.
b--find correct sentences.
c--arrange jumbled sentences.
d--two passages.

1.venndiagram.
2.coded relation.
3.data sufficiency.
4.decimal to binary based question($ is assign 1,* is assign 0).
5.on cube based(find the no of one ,two ,three------coloured face).

1-odd one out.
2-pick out next figure.
3-logical detection (some books are pen, some pens are paper) in this based.
4-from puzzle.

My interview was of 30 minutes. technical & hr both were combined. they asked to tell me ur faviorate five subjects.
I given microproccesor, digital, C, DS, basic Electronics. then they asked three question on each subject.

some questions are below which i remember

1-what is signal controller (microprocessor 8085)
2-given if else program to convert in switch case.(c)
3-what is macro,
4-diff between mallock &calloc.
5-what is flip-flop
6-convert XNOR from AND & NOT.
7-what is compete binary tree.
8-what is circular linkedlist.
9-sorting.
10-draw full wave rectifier (some question reated to transformer use in rectifier & diode).

Alok Kumar