Computer I/O Architecture Quiz Form
Test your knowledge of computer input/output architecture. Please complete all sections below. Title: Computer I/O Architecture Quiz.
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Peripheral Devices
Bus Systems
I/O Ports
DMA (Direct Memory Access)
Interrupts
Which of the following best describes a peripheral device?
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An external device connected to a computer for input or output
A software component
The main processor unit
A type of internal memory
What is the primary function of an I/O controller?
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To manage communication between the processor and peripheral devices
To increase the clock speed of the CPU
To store operating system files
To compile source code
Which I/O method allows devices to access memory independently of the CPU?
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DMA (Direct Memory Access)
Programmed I/O
Interrupt-driven I/O
Polling
Which bus is typically used to connect the CPU to main memory?
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System Bus
USB
PCI Express
Serial Port
Match the I/O term to its correct description:
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Rows
Peripheral
DMA
Interrupt
Term
External device for input/output
Temporary data storage
Central processing unit
System software
Direct memory access by devices
Device driver software
Input device
Output device
Signal to CPU for attention
Memory address
Power supply
Bus protocol
Explain the difference between programmed I/O and interrupt-driven I/O.
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