ITE 272 FINAL EXAM WITH ANSWERS
systems architecture - CORRECT ANSWER-the structure,
interaction and technology of computer components
goals/tradeoffs of data representation - CORRECT ANSWERCARES
operating systems - CORRECT ANSWER-a collection of utility
programs for supporting users and ap...
systems architecture - CORRECT ANSWER-the structure,
interaction and technology of computer components
goals/tradeoffs of data representation - CORRECT ANSWER-
CARES
operating systems - CORRECT ANSWER-a collection of utility
programs for supporting users and application programs,
allocating resources to multiple users and application
programs, and controlling access to hardware
purpose of operating systems - CORRECT ANSWER-software
that manages computer hardware and software resources and
provides common services for computer programs
responsibilities of operating systems - CORRECT ANSWER-
perform basic tasks, prevent interference, provide a software
platform
operating system management functions - CORRECT
ANSWER-management of cpu, memory, processes, secondary
storage i/o devices, users
operating system layers - CORRECT ANSWER-kernel, service
layer, command layer, application layer
, kernel - CORRECT ANSWER-manages resources and
interacts with hardware
service layer - CORRECT ANSWER-contains reusable
components; acts as intermediary between programs
command layer - CORRECT ANSWER-the user interface
application layer - CORRECT ANSWER-interconnection layer
that includes communication protocols
multitasking resource allocation - CORRECT ANSWER-the OS
takes what it needs and everything else is available for the
other process
resource allocation goals - CORRECT ANSWER-meet each
program's resource needs, prevent program interference, use
hardware and other resources efficiently
resource allocation functions - CORRECT ANSWER-schedule
resources based on allocation policies and meet current and
anticipated needs, update records instantly
real resources - CORRECT ANSWER-a computer's physical
devices and associated system software that physically exists
virtual resources - CORRECT ANSWER-resources (hardware
and system software) that are apparent to a user or program as
being available but don't necessarily physically exist
process management - CORRECT ANSWER-allow the OS to
keep track of many different processes running at the same
time
threads - CORRECT ANSWER-a portion of process that can be
scheduled and executed independently
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller supergrades1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
