The writing module. IV. Writing exercises:

IV.Writing exercises:

Exercise 1. Complete the sentences with the suggested words:

operating system's kernel /device drivers /interrupts/ relay information/ running program/

In modern operating systems,……. are handled by the operating system's kernel. Interrupts may come from either the computer's hardware, or from the……. When a hardware device triggers an interrupt, the …..decides how to deal with this event. The processing of hardware interrupts is a task that is usually delegated to software called….., which may be either part of the operating system's kernel, part of another program, or both. Device drivers may then ……to a running program by various means.

Exercise 2. Fill in the table with words and expressions from the text:

	What?
It is a specialized hardware-dependent		which is also operating system specific that enables another program
Interrupt-based programming is one of		being directly supported by most CPUs
A program may also trigger		which are very similar in function

Exercise 3. Compose a story on one of the topics (up to 100 words):

“The evolution of operating system?”

“How to choose the right operating system?”

“Device drivers”

Lesson 9

THE SYSTEM KERNEL

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