2.  DEFINE COMPUTER ? EXPLAIN CLASSIFICATION OF COMPUTER.  WHAT ARE INPUT AND OUTPUT DEVICES OF COMPUTER ? EXPALIN OUTPUT DEVICES.  WHAT ARE MEMORY AND MASS STORAGE DEVICES ?  EXPLAIN RELATIONSHIP BETWEEN COMPUTER HARDWARE AND SOFTWARE ?  WHAT ARE PROGRAMMING LANGUAGES ? QUESTIONS:

3.  WHAT IS OPERATING SYSTEM ? EXPLAIN TYPES OF OPERATING SYSTEM  DRAW A FLOWCHART TO FIND LARGEST AMONG THREE NUMBERS  DRAW A ALGORITHIM TO FIND HCF OF TWO NUMBERS.  EXPLAIN SEARCHING AND SORTING ? EXPLAIN BUBBLE SORT AND BINARY SEARCH.  EXPLAIN MERGING OF TWO ARRAYS.