Question 81 : Number of I/O ports in the 8051 microcontroller?
1. 3 ports
2. 4 ports
3. 5 ports
4. 4 ports with last port having 5 pins
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Question 82 : Name the architecture and the instruction set for microcontroller?
1. Van- Neumann Architecture with CISC Instruction Set
2. Harvard Architecture with CISC Instruction Set
3. Van- Neumann Architecture with RISC Instruction Set
4. Harvard Architecture with RISC Instruction Set
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Question 83 : What is the bit size of the 8051 microcontroller?
1. 8-bit
2. 4-bit
3. 16-bit
4. 32-bit
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