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What is the size of flag register in 8085 microprocessor?

• 8 bit

• 10 bit

• 12 bit

• 16 bit

What is the size of flag register in 8086 microprocessor?

• 8 bit

• 10 bit

• 12 bit

• 16 bit

What is the size of flag register in 8051 microcontroller?

• 8 bit

• 10 bit

• 12 bit

• 16 bit

Memory capacity of 8086 microprocessor

• 1MB

• 16

  k B

• 8KB

• 4 KB

8051 has ------------ external interrupts

• 1

• 2

• 3

• 4

8051 has ------------ internal interrupts

• 1

• 2

• 3

• 4

What is the alternate function of Port 0 in 8051 microcontroller?

• No function

• Multiplexed address and data

• Higher order address

• Serial port

What is the alternate function of Port in 8051 microcontroller?

• No function

• Multiplexed address /data

• Higher order address

• Serial port

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Which port is used as interrupt?

• Port 0

• port 1

• port 2

• port 3

Clock frequency of 8086 micoprocessor is-------

• 3 Mhz

• 5 Mhz

• 12 MHz

• 11mHz