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input and output software layers Flashcards | StudBud
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input and output software layers
input and output software layers
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Answers
1
Which layers are typically found in I/O software architecture?
Logical I/O
Device drivers
File system
User interface
2
The interrupt handler identifies the device that caused an interrupt, prioritizes it, and calls the correct driver
False
True
3
Which of the following are functions of I/O software?
Running application programs
Managing memory paging
Handling device drivers
Managing device communication
4
Which I/O layer lets applications perform read/write operations without knowing hardware details?
Interrupt Handler
Device Driver
Physical I/O Layer
Logical I/O Layer
5
Which layer translates user I/O requests into hardware-level operations?
Logical I/O Layer
Physical I/O Layer
Application Software
Device Driver
6
Which operations are handled by device drivers?
Sending user input to application software
Direct hardware access
Interpreting OS commands into device-specific instructions
Receiving signals from hardware interrupts
7
What is the main function of buffering in I/O systems
Stores data temporarily to manage speed differences
Compresses files for transfer
Encrypts the data
Formats data for display
8
Which of these best describes “spooling”?
Queueing print jobs in storage before printing
Saving files automatically during editing
Temporary storage of input from keyboard
Real-time data processing
9
Which I/O software layer is responsible for direct communication with hardware?
Device Driver
File System
Logical I/O
User Interface
10
I/O software ensures device independence so multiple apps can use I/O devices without knowing hardware details.
True
False
