The Essentials of Computer Organization and Architecture
4th Edition
ISBN: 9781284045611
Author: Linda Null, Julia Lobur
Publisher: Jones & Bartlett Learning
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Question
Chapter 8, Problem 1RETC
Program Plan Intro
A program that is initially loaded into the computer memory and manages all the other programs and resources of a computer is called Operating system.
- The operating system manages the applications and the hardware, such as disk drive, memory, and peripheral devices.
- The users interact with the operating system by using the command language or shell, and the graphical user interface.
- An application makes the service request by the application
programming interface to use the operating system. - Operating system performs different type of services
- Determining the running application and its order
- Time allotment to each application
Expert Solution & Answer
Explanation of Solution
Main objective of early operating systems:
- In early days, computer system has no Operating system at all, and is characterized as serial processing. By using a serial processing technique the programs are executed.
- Earlier, the cost of computer systems were high and because of that computer time was used efficiently without any wastage of time.
- The time slots are reserved by the users in advance, and during the allotted period, they occupy the computer exclusively.
- A card is used to represent the program and with the help of card readers, the programs are loaded into memory.
- Before loading the program, the user has to load the compiler to compile the program. The user has to find errors if any and should re-punch all cards from beginning.
- In given time, if the user failed to complete the task, then the user has to wait for long time to execute again. This was a waste of time for the user.
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1. Smart Home Automation:o Connect a temperature sensor and a fan to a home gateway.o Configure the home gateway so that the fan is activated when the temperature exceedsa set threshold (e.g., 30°C).2. WiFi Network Configuration:o Set up a wireless LAN with a unique SSID.o Enable WPA2 encryption to secure the WiFi network.o Implement MAC address filtering to allow only specific clients to connect.3. WLC Configuration:o Deploy at least two wireless access points connected to a Wireless LAN Controller(WLC).o Configure the WLC to manage the APs, broadcast the configured SSID, and applyconsistent security settings across all APs.
Chapter 8 Solutions
The Essentials of Computer Organization and Architecture
Ch. 8 - Prob. 1RETCCh. 8 - Prob. 2RETCCh. 8 - Prob. 3RETCCh. 8 - Prob. 4RETCCh. 8 - Prob. 5RETCCh. 8 - Prob. 6RETCCh. 8 - Prob. 7RETCCh. 8 - Prob. 8RETCCh. 8 - Prob. 9RETCCh. 8 - Prob. 10RETC
Ch. 8 - Prob. 11RETCCh. 8 - Prob. 12RETCCh. 8 - Prob. 13RETCCh. 8 - Prob. 14RETCCh. 8 - Prob. 15RETCCh. 8 - Prob. 16RETCCh. 8 - Prob. 17RETCCh. 8 - Prob. 18RETCCh. 8 - Prob. 19RETCCh. 8 - Prob. 20RETCCh. 8 - Prob. 21RETCCh. 8 - Prob. 22RETCCh. 8 - Prob. 23RETCCh. 8 - Prob. 24RETCCh. 8 - Prob. 25RETCCh. 8 - Prob. 26RETCCh. 8 - Prob. 27RETCCh. 8 - Prob. 28RETCCh. 8 - Prob. 29RETCCh. 8 - Prob. 30RETCCh. 8 - Prob. 31RETCCh. 8 - Prob. 32RETCCh. 8 - Prob. 33RETCCh. 8 - Prob. 34RETCCh. 8 - Prob. 35RETCCh. 8 - Prob. 1ECh. 8 - Prob. 2ECh. 8 - Prob. 3ECh. 8 - Prob. 4ECh. 8 - Prob. 5ECh. 8 - Prob. 6ECh. 8 - Prob. 7ECh. 8 - Prob. 9ECh. 8 - Prob. 11ECh. 8 - Prob. 12ECh. 8 - Prob. 13ECh. 8 - Prob. 14ECh. 8 - Prob. 15ECh. 8 - Prob. 16ECh. 8 - Prob. 17ECh. 8 - Prob. 18ECh. 8 - Prob. 19ECh. 8 - Prob. 20ECh. 8 - Prob. 21ECh. 8 - Prob. 22ECh. 8 - Prob. 23ECh. 8 - Prob. 24E
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