What happens when a character is read from a serial Receive Data Register (RDR) using the "lw" instruction?Question 5Select one:a.The serial controller requests a character from the Transmit Data Register (TDR) of the Linux PC (or VT320 terminal), and forwards it to the requested general purpose register.b.The character stored in the Receive Data Register (RDR) is copied to the requested general purpose register in the CPU, and the Receive Data Ready (RDR) bit is set to zero.c.The character stored in the Receive Data Register (RDR) is copied to the requested general purpose register in the CPU.d.The serial controlle

What happens when a character is written to a serial Transmit Data Register (TDR) using the "sw" instruction?Question 6Select one:a.The character will be sent once the receiver is ready.b.The serial controller stores the character until the receiver explicitly requests it.c.The character will be sent immediately.d.The serial controller sets the Transmit Data Sent (TDS) bit to zero, and begins writing the character to the output line asynchronously.

What happens if you repeatedly read a character from a serial port Receive Data Register without first checking that the Receive Data Ready bit is 1?Question 4Select one:a.The CPU would generate a General Protection Fault (GPF) exception, unless - by chance - the RDR bit happened to be 1.b.The CPU would wait until a valid character has been received before executing the "lw" instruction.c.You would never receive a valid character.d.You would likely "receive" the same character multiple times.

If the instruction involves reading from or writing to memory, the __________ register will be used to hold the address, and the __________ register will hold the data to be written or read.  PC and DRIMAR and IRMAR and MDRMAR and DATA BusALU and DR

Explain how characters are stored and processed in C

.The information which is transferred to the receiver has to be interpreted this process is called _____ (A) Encoding (B) Decoding (C) Opening (D) Closing