5051- Serial port

How many clock pulses are needed to transmit 8 data bits in parallel communication?

• 1

• 4

• 6

• 8

What is the state of start pulse in asynchronous transfer mode?

• Tristate

• High

• Low

• Reset

When will the serial port interrupt id initiated ?

• TI is set

• RI is set

• TI or RI is set

• TI and RI is set

What type of data convertor is used in transmitter?

• Serial tp parallel

• Parallel to Serial

• Serial to serial

• Parallel to prallel

Name the register used to hold the data in UART

• TCON

• SCON

• SBUF

• PCON

Name the register used to control the data transfer rate

• SCOn

• PCON

• SBUF

• TCON

Name the register used to control the data communication

• TCON

• SCON

• SBUF

• PCON

Name Mode0 of serial communication

• 8 bit UART

• 9 bit UART

• 8 bit shift register

• 10 bit UART

How many bits are transmitted in mode 1? ( including start and stop bits)

• 8

• 9

• 10

• 11

How many bits are transmitted in mode 3? ( including start and stop bits)

• 8

• 9

• 10

• 11