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1st Sem > System Architecture 1 to 3 > Flashcards

System Architecture 1 to 3 Flashcards

1
Q

system integration

A
  • process of connecting two or more systems together
  • exhange data between those multiple systems
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2
Q

how is system integration be achieved

A
  1. direct database access
  2. web services
  3. messaging
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3
Q

system integration advantages

A
  1. increased productivity
  2. more accurate and trustworthy data
  3. faster decision-making
  4. cost-effectiveness
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4
Q

increased productivity

A

Integrated systems allow for centralized control over the daily processes which adds to the efficiency of the entire workflow.

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5
Q

more accurate and trustworthy data

A

Data is updated across all components of the system simultaneously, keeping all departments on the same page

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6
Q

faster decision-making

A

Data is no longer scattered across siloed storages. So, to perform analytics, you don’t need to manually download and export it to the centralized repository.

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7
Q

cost-effectiveness

A

More often than not, system integration comes at a lower cost than replacing all disjointed parts with a new single system

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8
Q

legacy system

A

old method or technology still used by an organization

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9
Q

why do we integrate legacy system

A

Data living in your legacy systems just may be the key to the next big success. Integrating with them to bring your data into the right format and database framework

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10
Q

four main types of a system

A
  1. legacy system
  2. enterprise application integration
  3. Third-Party Systems
  4. business-to-business
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11
Q

types of legacy systems

A
  1. end of life
  2. no updates available
  3. unable to scale
  4. outdated architecture
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12
Q

End of Life (EOL)

A

Systems that have reached their useful stage, resulting in vendors discontinuing the product, such as Microsoft’s Windows 7.

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13
Q

No Updates Available

A

A system with no updates or new versions is a classic example of legacy software. This hinders innovation and forces businesses to shift to a new vendor and create new processes.

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14
Q

Unable to Scale

A

Software incapable of scaling to support new functions, rendering certain aspects obsolete or outdated. An example of legacy system is a set of large streams of data or increased financial transactions.

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15
Q

Outdated Architecture

A

Problems caused by legacy code architecture and data.

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16
Q

main characteristics of legacy systems

A
  1. outdated development, design, and architecture are used
  2. no unit and integration test
  3. system is difficult to make changes to
  4. system breaks down unexpectetdly
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17
Q

what are the challenges faced by legacy integration systejm

A
  • lack of newer, more advanced features
  • hackers exploit weaknesses and hack systems
  • not be compatible with more up-to-date security tools
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18
Q

main risks of keeping a legacy system

A
  1. security vulnerabilities
  2. lack of compatibility
  3. limited support
  4. increased cost
  5. reduced productivity
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19
Q

security vulnerabilities

A

Legacy systems may have outdated security protocols and software, making them more susceptible to cyber-attacks and data breaches.

20
Q

lack of compatibility

A

Older software may not be compatible with newer hardware and software systems, leading to operational inefficiencies and a decreased ability to integrate with modern technology.

21
Q

limited support

A

Older software may no longer be supported by the vendor or manufacturer, leaving organizations without access to critical updates, patches, and technical support

22
Q

increased cost

A

Maintaining legacy systems may require specialized skills and hardware that are difficult to find and expensive to maintain

23
Q

reduced productivity

A

Legacy systems can hinder an organization’s ability to innovate and adapt to changing business needs, resulting in reduced productivity and competitiveness in the marketplace

24
Q

goal of legacy integration

A

integration of modern application into existing outdated systems

25
Q

example of legacy integration

A
  • microsoft windows 7
  • integrating legacy crm to database warehouse
  • ibm mainframe system
  • adobe flash
26
Q

Enterprise Application Integration

A

unification of different subsystems inside one business environment

27
Q

example of enterprise application integration

A
  1. one ecosystem for accounting
  2. human resource information
  3. inventory management
  4. enterpirse resource planning
  5. crm system of a company
28
Q

C#

A

is a programming language developed by Microsoft that runs in .Net Framework

29
Q

C# us used for

A
  1. mobile application
  2. desktop application
  3. web application
  4. web services
  5. games
  6. vr
  7. database application
  8. websites
30
Q

why use C#

A
  • one of the most popular programming language
  • simple to use
  • huge community support
  • object oriented programming language and allows code to be reused
  • easy to switch because similar to c, c++, and java
31
Q

using System

A

uses class from system namespaces

32
Q

namespace

A

used to organize the code and it is a container for classes

33
Q

{}

A

marks as the beginning end ending of a code

34
Q

class

A

container for data methods

35
Q

main

A

always appear in the code

36
Q

Console

A

is a class from System

37
Q

WriteLine()

A

used to produce output from text

System.Console. WriteLine()

38
Q

if

A

block of code to be executed, condition is true

39
Q

else

A

block of code to be executed, same condition is false

40
Q

else if

A

new condition is added; first condition is false

41
Q

switch

A

many alternative blocks of code to be executed

42
Q

two ways to open a windows form

A

Form.Show()
Form.ShowDialog()

43
Q

Form.Show()

A

Show() used to open new form, when we use show() method it allow us to
perform any action on parent page.

Form frm2 = new Form2();
frm2.Show();

44
Q

Form.ShowDialog()

A

not allow to focus on parent
window after opened child form and we can not perform any action on parent
form

Form frm2 = new form 2();
frm2.ShowDialog();

45
Q

Button Click Controls

A
  1. Click - occurs when the button control is
    clicked
  2. Mouse.Click - occurs when the button is clicked by the mouse.
  3. Mouse.Down - mouse button is pressed over the button
  4. Mouse.Enter - mouse comes in the visible part of the button
  5. Mouse.Hover = mouse comes over the button control
  6. Mouse.Leave - e leaves the visible part of
    the button control

1st Sem (16 decks)

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