# User Forum

Subject :NCO    Class : Class 3

## Ans 1:

Class : Class 3
Elisha the answer is B because there are 3 units in the computer: 1. CU (Control Unit) it controls all the actions in a computer

## Ans 2:

Class : Class 3
Arithmetic means addition Ans is A

Class : Class 4
Oh ,yes Ashmi

## Ans 4:

Class : Class 4
Arithmetic means addition ,subtraction ,division and multiplication . That" s why the Ans is A .

Subject :NCO    Class : Class 3

Subject :NCO    Class : Class 5

## Ans 1:

Class : Class 5
d all of this

Subject :NCO    Class : Class 5

## Ans 1:

Class : Class 6
Cow, as it does not carry loads . Others carry heavy loads .

Subject :NCO    Class : Class 5

## Ans 1:

Class : Class 6
they meant that the programs are open, and you press alt+shift+esc the each program will appear in front of the others.just try it out.(two or more programs)

Subject :NCO    Class : Class 5

Subject :NCO    Class : Class 5

## Ans 1:

Class : Class 6
Looking at the question description looks like A - bar code reader. Dont know why B is the answer given

## Ans 2:

Class : Class 5
A

Subject :NCO    Class : Class 5

Subject :NCO    Class : Class 4

Class : Class 4
ans a

Class : Class 4

## Ans 3:

Class : Class 4
D

Subject :NCO    Class : Class 6

## Ans 1:

Class : Class 6
C Multiplication is not commutative for whole numbers. 4x3 = 3x4 12=12 Therefore,multiplication is commutative for whole numbers.

Class : Class 7
Option C