Exam (elaborations)
BUS K201 lab answer key and notes and study guide for exams
- Course
- BUS-K 201 (K201)
- Institution
- Indiana University
midterm and final review guide and answers to the labs
[Show more]
Content preview
Studocu is not sponsored or endorsed by any college or university Chapter 4 - K201 Lecture The Computer In Business (Indiana University Bloomington)Studocu is not sponsored or endorsed by any college or university Chapter 4 - K201 Lecture The Computer In Business (Indiana University Bloomington)
Downloaded by Tara Arora (1.tara.arora@gmail.com)
lOMoARcPSD|7738593 [Chapter 4] – [K201 Lecture]
Tuesday, September 4, 2018
4.2
What Do Business Professionals Needs to Know About Computer Hardware ?
-Computer hardware : consists of electronic components and related gadgetry that input,
process, output, and store data according to instructions encoded in c omputer programs
or software.
- Hardware Components
oCentral processing unit (CPU) : selects instructions, processes them, performs arithmetic and logical comparisons, and stores results of operation in memory.
“the brain” of the computer.
Dual-processor : a computer with two CPUs.
Quad-processor : a computer with four CPUs.
Vary in speed, function, and cost.
oMain memory (aka RAM (Random Access Memory)) : place that stores the results of computations from the CPU reading data and instructions from memory.
oStorage hardware : used to save data and programs.
oMagnetic disks (aka hard disks) : are the most common storage device.
oSolid-state storage (SDD) : much faster than traditional magnetic storage because
it stores information using nonvolatile electronic circuits.
Examples: USB flash drives, optical disks (CDs & DVDs)
- Types of Hardware:
oPersonal computers (PCs) : classic computing devices that are used by individuals, recently placed often into tablets or mobile devi ces.
oTablets : a portable computer with digital keyboard.
oServer : a computer that is designed to support processing requests rfom ma ny remote computers and users.
Servers take requests from clients and then bring them things.
oClients: PCs, tablets, and smartphones that access servers.
oServer farm : a collection of many servers.
Can be delivered as a service via the Internet called the cloud .
- Computer Data
oBinary digits (bits) : either a zero or a one.
Used for computer data because that are easy to represent physi cally; a switch can be either closed open.
Light switch method:
Open switch means zero.
Closed switch means one.
Direction of magnetism:
One direction represents zero.
Downloaded by Tara Arora (1.tara.arora@gmail.com)
lOMoARcPSD|7738593
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 sarahsmith001. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now