WorksheetsModul 4- Quiz By Gururaj Surampalli
Total questions: 10
Worksheet time: 8mins
Which of the following methods are used to access I/O devices?
Memory-mapped I/O
Programmed I/O
Interrupt-driven I/O
Direct Memory Access (DMA)
What components are part of interrupt hardware?
Interrupt request line
Interrupt vector table
Programmable interrupt controller
Direct memory access controller
How can interrupts be enabled or disabled in a system?
Using CPU instruction
Setting a flag in the interrupt controller
Changing a register value
Through software configuration
What mechanisms are used to handle interrupts from multiple devices?
Polling
Daisy chaining
Vector interrupt system
Priority interrupt controller
What are the characteristics of Direct Memory Access (DMA)?
Allows direct transfer of data between memory and I/O device
Requires CPU intervention for each byte transfer
Increases system efficiency
Bypasses the CPU during data transfer
Which of the following are common bus arbitration techniques?
Daisy chain arbitration
Centralized parallel arbitration
Distributed arbitration
Token passing
Which statements are true regarding the relationship between speed, size, and cost of memory systems?
Faster memory is more expensive
Larger memory size reduces speed
Cheaper memory has lower speed
Higher speed memory is typically smaller in size
Which of the following are cache mapping functions?
Direct mapping
Associative mapping
Set-associative mapping
Virtual mapping
What factors affect cache hit and miss rates?
Cache size
Block size
Mapping function
Replacement policy
Which of the following are common write policies in cache memory?
Write-through
Write-back
Write-once
Write-allocate
