EBK ESSENTIALS OF MIS
12th Edition
ISBN: 8220101459305
Author: LAUDON
Publisher: PEARSON
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Question
Chapter 8, Problem 3RQ
Program Plan Intro
System vulnerability:
- When huge data amounts are been kept in electronic form, it becomes susceptible to many threats.
- The information systems in many locations are been interconnected through communication networks.
- The unauthorized access can occur at many access points in network and is not limited to single location.
- The data flowing over networks could be accessed; valuable information could be stolen while transmission or data could be altered without authorization.
- The denial-of-service attacks are launched by intruders to disrupt website operations.
- Internets are vulnerable than internal networks as it is open to everyone.
Explanation of Solution
Application Controls:
- Application controls denote specific controls that are exclusive to each application.
- It includes both manual as well as automated procedures.
- It ensures that authorized data is been processed by application.
- The types include:
-
o Input controls:
- It checks data for correctness as well as completeness while they go in system...
-
o Input controls:
Explanation of Solution
Risk assessment function:
- A risk assessment would determine risk level to firm if an explicit activity is not controlled properly.
- The information assets value, vulnerability point, likely problem frequency and damage potential can be determined by business managers.
- Controls could be added or adjusted to focus on greater risk areas.
- Security risk analysis would involve determination of what is needed to be protected and the manner to protect.
- It denotes an examining process for risks of firm and ranking for those risks by severity level.
- The cost effective decisions are been involved in process...
Explanation of Solution
Security policy, Acceptable use policy and Identity management:
- A security policy denotes ranking of information risks, identification of acceptable goals of security as well as identification of
mechanism to achieve goals.- o It drives policies that determine acceptable information resource usage of firm.
- o It determines access details of company’s information assets.
- An acceptable use policy denotes acceptable uses of resources of firm and equipment for computing.
- o It includes desktop, laptop, wireless devices, Internet and telephones.
- o It clarifies privacy, responsibility of user as well as personal usage for company equipment policies...
Explanation of Solution
Information systems auditing promotes control and security:
Information system auditing determines effectiveness of information system security as well as control.- An MIS audit would identify all control...
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- EX:[AE00]=fa50h number of ones =1111 1010 0101 0000 Physical address=4AE00h=4000h*10h+AE00h Mov ax,4000 Mov ds,ax; DS=4000h mov ds,4000 X Mov ax,[AE00] ; ax=[ae00]=FA50h Mov cx,10; 16 bit in decimal Mov bl,0 *: Ror ax,1 Jnc ** Inc bl **:Dec cx Jnz * ;LSB⇒CF Cf=1 ; it jump when CF=0, will not jump when CF=1 HW1: rewrite the above example use another wayarrow_forwardEX2: Write a piece of assembly code that can count the number of ones in word stored at 4AE00harrow_forwardWrite a program that simulates a Magic 8 Ball, which is a fortune-telling toy that displays a random response to a yes or no question. In the student sample programs for this book, you will find a text file named 8_ball_responses.txt. The file contains 12 responses, such as “I don’t think so”, “Yes, of course!”, “I’m not sure”, and so forth. The program should read the responses from the file into a list. It should prompt the user to ask a question, then display one of the responses, randomly selected from the list. The program should repeat until the user is ready to quit. Contents of 8_ball_responses.txt: Yes, of course! Without a doubt, yes. You can count on it. For sure! Ask me later. I'm not sure. I can't tell you right now. I'll tell you after my nap. No way! I don't think so. Without a doubt, no. The answer is clearly NO. (You can access the Computer Science Portal at www.pearsonhighered.com/gaddis.)arrow_forward
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