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# Tutor profile: Navjot S.

Inactive
Navjot S.
Graduate Student of Computer Science at IIT Chicago, with 4 experience as System Programmer at Intel, India.
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## Questions

### Subject:Perl Programming

TutorMe
Question:

Write Perl program and display elements of an array?

Inactive
Navjot S.

#!/usr/bin/perl @ages = (25, 30, 40); @names = ("John Paul", "Lisa", "Kumar"); print "\\$ages = \$ages\n"; print "\\$ages = \$ages\n"; print "\\$ages = \$ages\n"; print "\\$names = \$names\n"; print "\\$names = \$names\n"; print "\\$names = \$names\n"; Output:- \$ages = 25 \$ages = 30 \$ages = 40 \$names = John Paul \$names = Lisa \$names = Kumar

### Subject:Computer Science (General)

TutorMe
Question:

Explain all the components of Computer System and their functionality?

Inactive
Navjot S.

WIll explain all the components of Computer and how they work together:- The Central Processing Unit: (CPU), Buses, Ports and controllers, ROM; Main Memory (RAM); Input Devices; Output Devices; Secondary Storage; floppy disks, hard disk, CD-ROM

### Subject:Algebra

TutorMe
Question:

If y = 2, then y^3(y^2-y)=??

Inactive
Navjot S.

y^3(y^2-y) y^(3+2) - y^(3+1) [formula-> a^m x a^n = a^(m+n)] y^5 - y^4 Substitute y=2, 2^5 - 2^4 32 - 16 Answer= 16 Way 2-> y^3(y^2-y) y^3 x y (y - 1) y^(3+1)(2-1) {substituting y=2} 2^4 x 1 Ans= 16

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