The big change today was that today's class was taken by Bejoy Sir. It was the first time we didn't have Mahesh Sir's class at CHPC. The class started at 9.30 AM. The entire morning session was spend on theory part of Microprocessors. I thought it would be very tough but it turned out to be much easier.
We started from the basic equation of Ohm's law and slowly came to Digital Electronics. We discussed about the various logic gates. Then, we came to the concept of trigger in clocked combinational logic. We came to know that the number of triggers in a second was the speed of the logic circuit. After that we came to the main topic of the day, Microprocessors.
Microprocessor was defined as "a programmable, clock-driven, register-based electronic device which can receive binary digits as the inputs, process binary data according to the instruction given by the master and give an output in the binary form". We came to know that the first microprocessor was 4004 designed by Ted Hoff at Intel. 4004 was a 4-bit microprocessor.
Later, we discussed about computers. Computers are classified as large size (such as mainframes), medium size (such as servers) and small size (such as desktops). An embedded system is a combination of the processing unit (processor), program and the mechanical parts. A Register is a small and fast memory in the processor. An important thing to note is that registers reside close to the processor.
The afternoon session was spent entirely at the microprocessor lab. We did programming on the microprocessors in assembly language. When we entered the lab, we thought it would be very difficult. But it turned out to be easy and fun, just that even adding had to be done in a sequence of steps in assembly language and not in a single step as in high level language.
At last we had the blogging session and that was the end of a very good day at CHPC.
We started from the basic equation of Ohm's law and slowly came to Digital Electronics. We discussed about the various logic gates. Then, we came to the concept of trigger in clocked combinational logic. We came to know that the number of triggers in a second was the speed of the logic circuit. After that we came to the main topic of the day, Microprocessors.
Microprocessor was defined as "a programmable, clock-driven, register-based electronic device which can receive binary digits as the inputs, process binary data according to the instruction given by the master and give an output in the binary form". We came to know that the first microprocessor was 4004 designed by Ted Hoff at Intel. 4004 was a 4-bit microprocessor.
Later, we discussed about computers. Computers are classified as large size (such as mainframes), medium size (such as servers) and small size (such as desktops). An embedded system is a combination of the processing unit (processor), program and the mechanical parts. A Register is a small and fast memory in the processor. An important thing to note is that registers reside close to the processor.
The afternoon session was spent entirely at the microprocessor lab. We did programming on the microprocessors in assembly language. When we entered the lab, we thought it would be very difficult. But it turned out to be easy and fun, just that even adding had to be done in a sequence of steps in assembly language and not in a single step as in high level language.
At last we had the blogging session and that was the end of a very good day at CHPC.
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