LIGHTENED TO LIGHT

  MY PET DOG   1.      I   have a pet dog 2.    His name is tommy 3.    It is of labra breed 4.   It is brown in colour 5.    It eats healthy food, fresh milk and bread 6.   It has a strong smelling sense 7.    It barkers at strangers 8.   It guards my house 9.   It plays with me 10.      I love to spend time with him 11.         He is very intelligent and faithful 12.         I love my dog very much  

  LESSON 2 WORKING OF A COMPUTER   1.       what are the three main units of a computer system? A computer system consists of three main units: a.       input unit b.       processing unit c.       output unit   2.       Explain the IPO cycle? A computer follows IPO cycle: Input – Process - Output   3.       Why is the CPU called the brain of the computer? CPU processes data and works on instructions to give meaningful information. So it is called as the brain of the computer.   4.       What is processing? After entering the data and instructions, the CPU works on it, processes data and instructions to give meaningful information. It is called processing.

  LESSON 1 KNOWLING THE COMPUTER   1.       What is a computer? Computer is an electronic device which stores a large amount of data and information.   2.       Write any three characteristics of a computer? a.       Computers can work very fast b.       A computer can store a large amount of data c.       A computer is a versatile machine.   3.       What does the CPU consist of? A CPU consists of three main parts. They are: a.       Memory unit b.       Control Unit c.       Arithmetic and Logic Unit.   4.       Mention any three disadvantages of a computer. a.       Computer cannot think b.       A computer cannot take its care like us c.       A computer cannot take any decision on its own.   5.       What is a desktop computer? Explain A desktop computer is also known as personal computer. It is the most common type of microcomputer. It is used at home, schools, offices, banks, hospitals and at many other places.   6.       Name th