Describe the components of Computer-based informationsystems.

Answers

Answer 1
Answer:

Answer: Major components of a computer based information system:-

  • Hardware
  • Software
  • Network
  • Databases

Explanation: The basic components of a computer based information system are :

  • Hardware -devices that physical parts of a computer system such as monitor, printer,keyboard etc.
  • Software- they are form of programs that perform the processing of the data .
  • Networks- is the phase in which multiple computer system are connected with each other and share resources.
  • Databases- they are collection of the information or related data in the forms of files or tables.

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List the various cases where use of a NULL value would be appropriate.
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10. BlenderĀ® allows users to duplicate an object simply by selecting it and pressing duplicate on the toolbar (shift+D). (1 point)truefalse11. According to the unit, which of the following is an important first step in any creative endeavor? (1 point)pre-productionpost-planningdelegating taskssending emails
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Raj, a recent graduate, has recently joined your organization as a Junior Business Analyst. He has been asked to conduct a Feasibility Analysis on whether to automate the process of software installation or not. If you were in Raj's place, based on which of these parameters would you identify if that process can be automated? Pick onea. Availability of software licensingb. Entering license number during installationc. Operating System being usedd. Software version being used

Answers

Answer:

a. Availability of software licensing

Explanation:

With feasibility analysis, we take into consideration economic, technical, legal, and scheduling factors to make sure that our project completes successfully. Acquiring license for a software can be free of cost or paid subscription. So a business analyst needs to make an account of the cost of accessing the software services. Also while automating a software installation process, it would require automatic authentication which would again require details of licensing. So in my best knowledge, analyzing availability of software licensing is a must and foremost step for a feasibility study.

Develop a crawler that collects the email addresses in the visited web pages. You can write a function emails() that takes a document (as a string) as input and returns the set of email addresses (i.e., strings) appearing in it. You should use a regular expression to find the email addresses in the document.

Answers

Answer:

see explaination

Explanation:

import re

def emails(document):

"""

function to find email in given doc using regex

:param document:

:return: set of emails

"""

# regex for matching emails

pattern = r'[\w\.-]+at[\w\.-]+\.\w+'

# finding all emails

emails_in_doc = re.findall(pattern, document)

# returning set of emails

return set(emails_in_doc)

# Testing the above function

print(emails('random text ertatxyz.com yu\npopatxyz.com random another'))

Write a program that declares variables named init1, init2, and init3, to hold your three initials. Display the three initials with a period following each one, as in J.M.F.

Answers

Answer:

Written in Python

init1 = input("initials 1: ")

init2 = input("initials 2: ")

init3 = input("initials 3 ")

print(init1+"."+init2+"."+init3)

Explanation:

This line prompts user for init1 and gets the input

init1 = input("initials 1: ")

This line prompts user for init2 and gets the input

init2 = input("initials 2: ")

This line prompts user for init3 and gets the input

init3 = input("initials 3 ")

This line prints out the required output

print(init1+"."+init2+"."+init3)

Which of the following statements describes a limitation of using a computer simulation to model a real-world object or system?a. Computer simulations can only be built after the real-world object or system has been created.
b. Computer simulations only run on very powerful computers that are not available to the general public.
c. Computer simulations usually make some simplifying assumptions about the real-world object or system being modeled.

Answers

Answer:

The answer is "Option c".

Explanation:

Computer simulation, use of a machine to simulate a system's vibration signals by another modeled system's behaviors. A simulator employs a computer program to generate a mathematical model or representation of a true system. It usually gives a lot of simplifications concerning the physical image or system that is modeled, so this statement describes the limitation of using a computer simulation in modeling a real-world object or process.

How does abstraction help us write programs

Answers

Answer:

Abstraction refines concepts to their core values, stripping away ideas to the fundamentals of the abstract idea. It leaves the common details of an idea. Abstractions make it easier to understand code because it concentrates on core features/actions and not on the small details.

This is only to be used for studying purposes.

Hope it helps!

How can you represent a graphic element in a wireframe?You can specify a graphic element by using an)

Answers

Answer:

The answer is "in the form of design, color and graphic".

Explanation:

The wireframe is also recognized as 'skeleton', it is a static, low-fidelity description of various layouts, which provides shapes to the component. It is indeed a visualization of even an interface using only basic shapes.

It is a 2D illustration of a site user interface, which primarily focuses on capacity planning and priority of information, features available, and role expectations like, storyboards which do usually not include design, color, or graphics.

Answer:

box

Explanation:

i just took the quiz and that's the correct answer they're looking for :)