Quiz3

FIND level-1 works worst with operating systems that habitually ask for data one sector at a time.

• 0

• 1

• 2

• 3

Which of the following is NOT a responsibility of Device-Independent I/O Software layer?

• D. Preserving user programs by I/O devices

• A. Uniform interfacing for device drivers

• B. Allocating and releasing dedicated devices

• C. Providing a device-independent block size

• E. Error handling

What does the term 'blocking' refer to in the context of I/O software?

• A. A technique for managing device drivers.

• B. A mechanism for accessing devices synchronously.

• C. The process of stopping a process until an I/O operation is completed.

• D. A method of allocating memory for I/O operations.

Which I/O mode is most suitable for transferring data between memory and I/O devices without the CPU being bothered?

• Direct Memory Access

• Programmed I/O

• Interrupt driven I/O

• Polling

A statement has four scenarios: 1. I/O device issues an interrupt to signal a new piece. 2. The processor acknowledges the interrupt. 3. The processor executes the interrupt service routine to completion. 4. The processor resumes the execution of the task it was doing. Which interrupt type is the particular period for the PC in a known location?

• Imprecise interrupt

• Synchronous interrupt

• Sequential interrupt

• Precise interrupt

In DMA transfer cycle, what two modes can many buses operate in?

• Word at a time mode and fly by mode.

• Word at a time mode and block mode.

• Word at a time mode and burst mode.

• Word at a time mode and group mode.

In Windows OS, which is the maximum partition size, if the FAT type is FAT32 and the block size is 16 KB?

• 1TB

• 2TB

• 512MB

• 128MB

Data can be divided up into one or more partitions. The first block of every partition is called:

• Boot block

• Free block

• Super block

• MBR

When the computer is booted, what is used to read in and execute?

• BIOS, Boot block

• CPU, BIOS

• BIOS, MBR

• MBR, BIOS

Sector 0 of the disk is called the ____ and is used to boot the computer.

• DMA

• MBR

• FAT

• NTFS