CS-612: PC SOFTWARE
Year: 2006 TEE: DECEMBER Time 2 Full Marks 60
Question Number 1 is compulsory. Answer any three questions from the rest.
Q.1(a): A father has two sons. Four years ago, the father was three times as old as his eldest son and four year hence, the eldest son will be twice as old as the younger son. If the younger son is now 8 years old, find the fathers present age.
Q.1(b): Summarize the working of any two of the following :
- (i) E-mail
- (ii) Telnet
- (iii) Search Engine
Q.1(c): Explain the features of the following with example :: 
Q.1(d): Suppose m & n are integers, such that n2 +1 = 2m. prove that m is the sum of squares of two integers: 
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