Discovering Computers ©2018: Digital Technology, Data, and Devices

1st Edition

ISBN: 9781337285100

Author: Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Jennifer T. Campbell, Mark Frydenberg

Publisher: Cengage Learning

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Expert Solution & Answer

Chapter 2, Problem 29SG

Explanation of Solution

Purpose of informational and research websites:

This site deals with factual information like dictionaries, guides, libraries, and encyclopedias.

This website targets the students and research professionals mainly.

Example: website of Cambridge dictionary, website of Stanford University and so on.

Purpose of media sharing websites:

Media sharing websites enable the members to manage and share media like photos, videos, and music.

The target audiences for this type of websites are almost all categories of users.

Example: Facebook, Twitter and so on.

Purpose of bookmarking websites:

Bookmarking websites allow the members to organize, tag, and share links to media and other online content.

Again the target audiences for this type of websites are almost all categories of users.

Example: Pinterest, Scoop.it, and so on.

Purpose of news, weather, sports, and other mass media websites:

The purpose of these websites is to convey newsworthy information or media.

Again the target audiences for this type of websites are almost all categories of users except the kids or naive users.

Example: website of BBC News, website of FIFA, and so on.

Purpose of educational websites:

Educational websites offer exciting, challenging avenues that facilitates formal and informal teaching and learning.

These websites mainly target the students or their parents.

Example: website of Coursera, website of Academic Earth, and so on.

Purpose of business, governmental, and organizational websites:

These are the websites that are designed to increase brand awareness, provides company background or any other information, and promotes or sells services or products.

These websites are mainly used by the business groups.

Example: website of Food and Drink-Craft Coffee, White House.gov’s Drupal site, and so on.

Purpose of blogs websites:

This website is an informal website that consists of time-stamped articles, or posts, in a diary or journal format, and these are usually listed in reverse chronological order.

These websites concentrate on the group of people who may take the content as helpful stuff where as some users read and write blogs.

Example: Help Scout, Design Milk, and so on.

Purpose of wikis and collaboration websites:

Wikis and other collaboration websites enable the users to create, add, modify, or delete the website content via browser.

The target users constitute of almost all category of users.

Example: Wikipedia and so on.

Purpose of health and fitness websites:

These websites provide information about medical, fitness, nutrition, exercise or even allows some of the users to listen to health related seminars and discussions.

These websites target the users who seek for medical guidance or some medical professionals to expand the knowledge.

Example: Miss Fitizen, Strength HQ, and so on.

Purpose of science websites:

These websites contain information about astronomy, physics, microgravity, space explorations, and much other related stuff.

This mainly focuses on users who find content related to this field as useful else some professionals whose work is related to these studies.

Example: National Aeronautics and Space Administration (NASA), National geographic, and so on...

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Chapter 2, Problem 28SG

Chapter 2, Problem 30SG

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make corrections of this program based on the errors shown. this is CIS 227 .

Create 6 users: Don, Liz, Shamir, Jose, Kate, and Sal. Create 2 groups: marketing and research. Add Shamir, Jose, and Kate to the marketing group. Add Don, Liz, and Sal to the research group. Create a shared directory for each group. Create two files to put into each directory: spreadsheetJanuary.txt meetingNotes.txt Assign access permissions to the directories: Groups should have Read+Write access Leave owner permissions as they are “Everyone else” should not have any access Submit for grade: Screenshot of /etc/passwd contents showing your new users Screenshot of /etc/group contents showing new groups with their members Screenshot of shared directories you created with files and permissions

⚫ your circuit diagrams for your basic bricks, such as AND, OR, XOR gates and 1 bit multiplexers, ⚫ your circuit diagrams for your extended full adder, designed in Section 1 and ⚫ your circuit diagrams for your 8-bit arithmetical-logical unit, designed in Section 2. 1 An Extended Full Adder In this Section, we are going to design an extended full adder circuit (EFA). That EFA takes 6 one bit inputs: aj, bj, Cin, Tin, t₁ and to. Depending on the four possible combinations of values on t₁ and to, the EFA produces 3 one bit outputs: sj, Cout and rout. The EFA can be specified in principle by a truth table with 26 = 64 entries and 3 outputs. However, as the EFA ignores certain inputs in certain cases, it is easier to work with the following overview specification, depending only on t₁ and to in the first place: t₁ to Description 00 Output Relationship Ignored Inputs Addition Mode 2 Coutsjaj + bj + Cin, Tout= 0 Tin 0 1 Shift Left Mode Sj = Cin, Cout=bj, rout = 0 rin, aj 10 1 1 Shift Right…

Chapter 2 Solutions

Ch. 2 - Prob. 1SG Ch. 2 - Prob. 2SG Ch. 2 - Prob. 3SG Ch. 2 - Prob. 4SG Ch. 2 - Prob. 5SG Ch. 2 - Prob. 6SG Ch. 2 - Prob. 7SG Ch. 2 - Prob. 8SG Ch. 2 - Prob. 9SG Ch. 2 - Prob. 10SG

Ch. 2 - Prob. 11SG Ch. 2 - Prob. 12SG Ch. 2 - Prob. 13SG Ch. 2 - Prob. 14SG Ch. 2 - Prob. 15SG Ch. 2 - Prob. 16SG Ch. 2 - Prob. 17SG Ch. 2 - Prob. 18SG Ch. 2 - Prob. 19SG Ch. 2 - Prob. 20SG Ch. 2 - Prob. 21SG Ch. 2 - Prob. 22SG Ch. 2 - Prob. 23SG Ch. 2 - Prob. 24SG Ch. 2 - Prob. 25SG Ch. 2 - Prob. 26SG Ch. 2 - Prob. 27SG Ch. 2 - Prob. 28SG Ch. 2 - Prob. 29SG Ch. 2 - Prob. 30SG Ch. 2 - Prob. 31SG Ch. 2 - Prob. 32SG Ch. 2 - Prob. 33SG Ch. 2 - Prob. 34SG Ch. 2 - Prob. 35SG Ch. 2 - Prob. 36SG Ch. 2 - Prob. 37SG Ch. 2 - Prob. 38SG Ch. 2 - Prob. 39SG Ch. 2 - Prob. 40SG Ch. 2 - Prob. 41SG Ch. 2 - Prob. 42SG Ch. 2 - Prob. 43SG Ch. 2 - Prob. 44SG Ch. 2 - Prob. 45SG Ch. 2 - Prob. 46SG Ch. 2 - Prob. 47SG Ch. 2 - Prob. 48SG Ch. 2 - Prob. 49SG Ch. 2 - Prob. 1TF Ch. 2 - Prob. 2TF Ch. 2 - Prob. 3TF Ch. 2 - Prob. 4TF Ch. 2 - Prob. 5TF Ch. 2 - Prob. 6TF Ch. 2 - Prob. 7TF Ch. 2 - Prob. 8TF Ch. 2 - Prob. 9TF Ch. 2 - Prob. 10TF Ch. 2 - Prob. 11TF Ch. 2 - Prob. 12TF Ch. 2 - Prob. 1MC Ch. 2 - Prob. 2MC Ch. 2 - Prob. 3MC Ch. 2 - Prob. 4MC Ch. 2 - Prob. 5MC Ch. 2 - Prob. 6MC Ch. 2 - Prob. 7MC Ch. 2 - Prob. 8MC Ch. 2 - Prob. 1M Ch. 2 - Prob. 2M Ch. 2 - Prob. 3M Ch. 2 - Prob. 4M Ch. 2 - Prob. 5M Ch. 2 - Prob. 6M Ch. 2 - Prob. 7M Ch. 2 - Prob. 8M Ch. 2 - Prob. 9M Ch. 2 - Prob. 10M Ch. 2 - Prob. 2CT Ch. 2 - Prob. 3CT Ch. 2 - Prob. 4CT Ch. 2 - Prob. 5CT Ch. 2 - Prob. 6CT Ch. 2 - Prob. 7CT Ch. 2 - Prob. 8CT Ch. 2 - Prob. 9CT Ch. 2 - Prob. 10CT Ch. 2 - Prob. 11CT Ch. 2 - Prob. 12CT Ch. 2 - Prob. 13CT Ch. 2 - Prob. 14CT Ch. 2 - Prob. 15CT Ch. 2 - Prob. 16CT Ch. 2 - Prob. 17CT Ch. 2 - Prob. 18CT Ch. 2 - Prob. 19CT Ch. 2 - Prob. 20CT Ch. 2 - Prob. 21CT Ch. 2 - Prob. 22CT Ch. 2 - Prob. 23CT Ch. 2 - Prob. 24CT Ch. 2 - Prob. 25CT Ch. 2 - Prob. 26CT Ch. 2 - Prob. 27CT Ch. 2 - Prob. 1PS Ch. 2 - Prob. 2PS Ch. 2 - Prob. 3PS Ch. 2 - Prob. 4PS Ch. 2 - Prob. 5PS Ch. 2 - Prob. 6PS Ch. 2 - Prob. 7PS Ch. 2 - Prob. 8PS Ch. 2 - Prob. 9PS Ch. 2 - Prob. 10PS Ch. 2 - Prob. 11PS Ch. 2 - Prob. 1.1E Ch. 2 - Prob. 1.2E Ch. 2 - Prob. 1.3E Ch. 2 - Prob. 2.1E Ch. 2 - Prob. 2.2E Ch. 2 - Prob. 2.3E Ch. 2 - Prob. 3.1E Ch. 2 - Prob. 3.2E Ch. 2 - Prob. 3.3E Ch. 2 - Prob. 4.1E Ch. 2 - Prob. 4.2E Ch. 2 - Prob. 4.3E Ch. 2 - Prob. 5.1E Ch. 2 - Prob. 5.2E Ch. 2 - Prob. 5.3E Ch. 2 - Prob. 1IR Ch. 2 - Prob. 2IR Ch. 2 - Prob. 3IR Ch. 2 - Prob. 4IR Ch. 2 - Prob. 1CTQ Ch. 2 - Prob. 2CTQ Ch. 2 - Prob. 3CTQ

Knowledge Booster

Solution Summary: The author explains the purpose of informational and research websites, which target students and researchers mainly.

Explanation of Solution

Chapter 2 Solutions