LESSON 2

Operating System Architecture. Coordinating the Machine’s Activities.

operating system- a group of programs and functions that provide basic functionality on a computer; The software that manages access to a system's hardware and other resources.

Part I Work in class

Task 1 Can you say? Let’s do it!

I. Pronunciation drills

inside – pride	died-denied	context - xerox
wide-guide	divide- hide	space - device
sighedt – tried	outside- decide	kernel-vernal
dried-bride	ride-slide	code - mode
cried- fried	execute- contribute	interface-race

II. Tongue twister

"Intel Inside!,"

Intel vied,

with ample pride

world wide

in guide

"Proven and tried!".

"Intel Inside!"

Budgets sighed;

millions buyed;

RISC sales dried

like ancient bride.

"Intel Inside?"

Can't divide!

Scientists cried,

fit to be tied,

and numbers fried.

"Intel Inside?"

Can't divide!!

Pi's pied

when FDIV died

and accuracy denied.

"Intel Inside?"

Can't divide?

Executives hide

from "outside"

during Intel bide

on warranty decide.

"Intel Inside?"

Can't divide?!!

See "Thalidomide".

(Taken for a ride.)

Intel lied.