7th class Computer Final Test lesson no.1 and no.2.

Class 7th                         Time: 1 hrs 

Subject                            Computer

Do any 5 question and send me at this number 7889786761 

Qno.1. List any three advantages of database.

Qno.2. What do you mean by sorting of data?

Qno.3. What is the use of subtotal feature in Excel. Write the steps to use Subtotal option.

Qno.4. Define Data Consolidation.

Qno.5. Briefly explain the Octal number system.

Qno.6. Write the steps to convert a binary number into a Decimal number. 

Qno.7. What does a bit stands for?