8051 Microcontroller

What is an bit handling capacity of 8051?

• 4 Bit

• 8 Bit

• 16 Bit

• 32 Bit

How many SFR's available in 8051 microcontroller?

• 21

• 22

• 23

• 24

What is an arithmetic of 'B' register?

• Addition & Subtraction

• Addition & Multiplication

• Multiplication & Subtraction

• Multiplication & Division

What is an another name of DPTR?

• Stack pointer

• Data pointer

• Memory pointer

• Program pointer

Mention the timers name in 8051 microcontroller

(a)  

How many bidirectional I/O liner are in 8051 microcontroller?

(a)  

Is the address bus an eight bit bus?

• True

• False

What is an another name of RAM?

• Program memory

• Data memory

• Coded memory

• Combination memory

There are _____________ ports and ____________ ports are dual function ports.

(a)  

(a)   is used for only I/O purpose in 8051 microcontroller.