Design an embedded C program to interface a 2x2 keypad and LCD displays with an ARM cortex M3 based LPC1768 microcontroller, with the following conditions a. When 1 key is pressed, the LCD display must show "VIT-AP Office" in first line and "Ph.90909091" in second line. b. When 2 key is pressed, the LCD display must show "VIT-AP SENSE" in first line and "Ph.90909092" in second line. c. When 3 key is pressed, the LCD display must show "VIT-AP SCOPE" in first line and "Ph.90909093" in second line. d. When 4 key is pressed, the LCD display must show "VIT-AP SMEC" in first line and Ph 90909094 in second line

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Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer.