Constructs of Programming

• We need computer applications to solve day to day problems in various domains like Banking, Retail, Insurance, Health Care……..
• To Solve the problems using applications,
  • CPU is used to execute our program/application/code
  • RAM is used to allocate the memory for our application needs
  • To enable storage (persistence) we will be using files/databases which internally use disk.
• Since we run our applications on some OS they look as shown below

Perspective:

• Lets me introduce to Jarvis
• Jarvis knows the following
  • allocate memory location
  • perform mathematical operations like + – * /
• Now lets get jarvis to add two numbers

Hi Jarvis,
Allocate memory for 10 
Allocate memory for 20
Add the values in above two memory locations and show the result

• Now lets get Jarvis to calculate simple interest

Hi Jarvis,
Allocate memory for prinicipal 
Allocate memory for time
Allocate memory for rate of intrest
Calculate principal * time * rate /100 and show result