Machines and computers are _____________ .
Natural things
Artificial things
All of the above
None of these
is ___________
A electronic machine
Automatic machine
Washing machine
helps ________ .
To hear music
To see movies
To wash cloths
To get cool air
What is computer?
Not a machine
A machine
Natural thing
How can the machine work?
According to the commands given by the user
According to their own wish
Do not work by the commands of the user
Once the switch is on the blades of a fan it __________ .
Rotate and give cool air
Does not on
Gives hot air
Which of the following things get saved by the machines?
Food, Water
Time, Energy
helps _______ .
To get juice
To get washed cloths
To give cool air
helps __________ .
To take photographs
To stich cloths