Q. The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to

View solution

Q. ______ is used in operating system to separate mechanism from policy.

View solution

Q. I/O hardware contains

View solution

Q. The data-in register of I/O port is

View solution

Q. The host sets _____ bit when a command is available for the controller to execute.

View solution

Q. When hardware is accessed by reading and writing to the specific memory locations, then it is called

View solution

Q. Device drivers are implemented to interface

View solution

Q. Which hardware triggers some operation after certain programmed count?

View solution

Q. The device-status table contains

View solution

Q. Which buffer holds the output for a device?

View solution

Q. Which one of the following connects high-speed high-bandwidth device to memory subsystem and CPU.

View solution

Q. A process is moved to wait queue when I/O request is made with

View solution

Q. In _______ information is recorded magnetically on platters.

View solution

Q. The heads of the magnetic disk are attached to a _____ that moves all the heads as a unit.

View solution

Q. The set of tracks that are at one arm position make up a ___________

View solution

Q. The time taken to move the disk arm to the desired cylinder is called the :

View solution

Q. The time taken for the desired sector to rotate to the disk head is called :

View solution

Q. When the head damages the magnetic surface, it is known as _________

View solution

Q. A floppy disk is designed to rotate ___________ as compared to a hard disk drive.

View solution

Q. The host controller is :

View solution