8051-Architecture

What is the size of the 8051 Microcontroller used?

• 4-bits

• 8-bits

• 16-bits

• 32-bits

What is the other name of 8051 Microcontroller?

• MCU-51

• MCU-4

• MCS-51

• MCS-8

The system clock outputs from clock circuit is

• XTAL1

• XTAL2

• Both a and b

• None of the above

What is the size and direction of the Address Bus?

• 8-Bits, Unidirectional

• 8-Bits, Bidirectional

• 16-bits, Unidirectional

• 16-bits, Bidirectional

What is the size of RAM and ROM in 8051 Microcontroller?

• 128bytes,4bytes

• 128KB,4KB

• 128KB,4Bytes

• 128Bytes,4KB

How many timers are present and what is the size of each timer?

• 2,8-bits

• 4,8-bits

• 2,16-bits

• 4,16-bits

What is the frequency of the oscillator used?

• 6Mhz

• 5Mhz

• 10Mhz

• 12Mhz

The signals associated with the 8051 Microcontroller are

• TXD,RXD

• Receive,Transmit

• T,R

• TS,RS