Podcast
Questions and Answers
How many T states are required for fetching one byte from an IO port?
How many T states are required for fetching one byte from an IO port?
- 4 T-States
- 2 T-States
- 1 T-State
- 3 T-States (correct)
During which cycle does the ALE pin go high at the first T state?
During which cycle does the ALE pin go high at the first T state?
- Instruction Cycle
- Memory Read Cycle
- Opcode Fetch Cycle (correct)
- Control and Status Signals Cycle
Which signals indicate that it is a memory-related operation during data fetching?
Which signals indicate that it is a memory-related operation during data fetching?
- RD and WR
- IO/M and RD (correct)
- WR and S0
- S1 and ALE
What is the function of AD0-AD7 during the Opcode Fetch Cycle?
What is the function of AD0-AD7 during the Opcode Fetch Cycle?
Which signals are set to S0=1 and S1=1 during the Opcode Fetch Cycle?
Which signals are set to S0=1 and S1=1 during the Opcode Fetch Cycle?
What is the state of WR signal during memory read cycles?
What is the state of WR signal during memory read cycles?
Which cycles require 4 T states from T1-T4?
Which cycles require 4 T states from T1-T4?
What is the purpose of the address lines in a bus?
What is the purpose of the address lines in a bus?
Which type of bus would be most suitable for transferring larger chunks of data simultaneously?
Which type of bus would be most suitable for transferring larger chunks of data simultaneously?
In a computer system, what does the expansion bus facilitate?
In a computer system, what does the expansion bus facilitate?
Which function do control lines in a bus serve?
Which function do control lines in a bus serve?
What is the primary role of a bus in a computer system?
What is the primary role of a bus in a computer system?
Which bus feature allows for synchronization of peripherals with the system clock?
Which bus feature allows for synchronization of peripherals with the system clock?
What is the main difference between serial and parallel data transfer in buses?
What is the main difference between serial and parallel data transfer in buses?
In a computer system, what is the purpose of data lines in a bus?
In a computer system, what is the purpose of data lines in a bus?
Which feature distinguishes buses of different bit sizes from each other?
Which feature distinguishes buses of different bit sizes from each other?
What function do control lines serve in a bus?
What function do control lines serve in a bus?