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Revision Examination Tests
“Come all for this greatness”
...100% Correct Ans...
INF1505 EXAMINATION 2024/2025, COMPREHENSIVE SUMMARY
AND ANSWERS, PREVIOUS TEST REVISION (MAY/JUNE 2024)
System
ans:> A set of elements or components that interact to accomplish goals
Components of a system
ans:> A systems four components consist of input, processing, output
and feedback
Efficiency
ans:> Is a measure of what is produced divided by what is consumed.
Effectiveness
ans:> Is a measure of the extent to which a system achieves its goals
System performance standard
ans:> A specific objective of the system
Information System (IS)
ans:> A set of interrelated components that collect, manipulate, store
and disseminate information and provide a feedback mechanism to meet
an objective
Input
ans:> The activity of gathering and capturing data
Processing
ans:> Converting or transforming input into useful outputs
Output
,ans:> Production of useful information, often in the form of documents
and reports
Feedback
ans:> Output that is used to make changes to input
Forecasting
ans:> Predicting future events
Characteristics of Valuable Information
ans:> Accessible
Accurate
Complete
Economical
Flexible
Relevant
Reliable
Secure
Simple
Timely
Verifiable
Computer-based Information System (CBIS)
ans:> A single set of hardware, software, databases,
telecommunications, people, and procedures that is configured to
collect, manipulate, store and process data into information.
Technology Infrastructure
ans:> All the hardware, software, databases, telecommunications,
people, and procedures that are configured to collect, manipulate, store
and process data into information.
Hardware
ans:> Any machinery (most of which uses digital circuits) that assists in
the input, processing, storage, and output activities of an information
system.
Software
ans:> The computer programs that govern the operation of a particular
computing device, be it desktop, laptop, tablet computers.
Database
ans:> An organised collection of electronic information
,Telecommunications
ans:> The electronic transmission of signals for communications;
enables organisations to carry out their processes and tasks through
effective computer networks
Networks
ans:> Computers and equipment that are connected in a room, building,
Campus, city, across the country or around the world to enable
electronic communications.
Internet
ans:> The world's largest computer network, actually consisting of
thousands of interconnected networks, all freely exchanging information.
Cloud Computing
ans:> A computing environment where software and storage are
provided as an Internet service and are accessed via a web browser.
A means of providing computer services wherein a serve provider
organization owns and manages the hardware, software, networking and
storage devices, with cloud user organizations(called tenants) accessing
slices of shared resources via the internet.
Intranet
ans:> An internal company network built using Internet and World Wide
Web standards and products that allows people within an organisation to
exchange information and work on projects.
Extranet
ans:> A network based on web technologies thats allows selected
outsiders, such as business partners, suppliers or customers, to access
authorised resources of a company's intranet.
Procedures
ans:> The strategies, policies, methods, and rules for using CBIS.
Business Information System Types
ans:> Strategic Level : Executive Support Systems - Support long-term,
strategic decisions made by senior managers
Tactical Level : Management information systems & Decision support
Systems - Support mid-term decisions made by middle managers
, Operational Level : Transaction Processing Systems, Customer
Relationship Management Systems & Supply Chain Management
Systems - Support the dat-to-day running of the firm
Transaction
ans:> Any business related exchange, such as payments to employees,
sales to customers and payments to suppliers.
Transaction Processing System (TPS)
ans:> An organised collections of people, procedures, software,
databases and devices used to record completed business transactions.
Enterprise Resource Planning (ERP) System
ans:> A set of integrated programs capable of managing a company's
vital business operations for an entire multisite, global organisation.
E-Commerce
ans:> Any business transaction executed electronically between
companies (business-to-business), companies and consumers
(business-to-consumer), consumers and other consumers (consumer-to-
consumer), businesses and the public sector , and consumers and the
public sector.
Mobile Commerce (M-Commerce)
ans:> Conducting business transactions electronically using mobile
devices such as smartphones.
Electronic Business (E-Commerce)
ans:> Using information systems and the internet to perform all
business-related tasks and functions.
Management Information Systems (MIS)
ans:> An organised collection of people, procedures, software,
databases and devices that provides routine information to managers
and decision makers.
Decision Support System (DSS)
ans:> An organised collection of people, procedures, software,
databases and devices used to support problem-specific decision
making.
Artificial Intelligence (AI)
Revision Examination Tests
“Come all for this greatness”
...100% Correct Ans...
INF1505 EXAMINATION 2024/2025, COMPREHENSIVE SUMMARY
AND ANSWERS, PREVIOUS TEST REVISION (MAY/JUNE 2024)
System
ans:> A set of elements or components that interact to accomplish goals
Components of a system
ans:> A systems four components consist of input, processing, output
and feedback
Efficiency
ans:> Is a measure of what is produced divided by what is consumed.
Effectiveness
ans:> Is a measure of the extent to which a system achieves its goals
System performance standard
ans:> A specific objective of the system
Information System (IS)
ans:> A set of interrelated components that collect, manipulate, store
and disseminate information and provide a feedback mechanism to meet
an objective
Input
ans:> The activity of gathering and capturing data
Processing
ans:> Converting or transforming input into useful outputs
Output
,ans:> Production of useful information, often in the form of documents
and reports
Feedback
ans:> Output that is used to make changes to input
Forecasting
ans:> Predicting future events
Characteristics of Valuable Information
ans:> Accessible
Accurate
Complete
Economical
Flexible
Relevant
Reliable
Secure
Simple
Timely
Verifiable
Computer-based Information System (CBIS)
ans:> A single set of hardware, software, databases,
telecommunications, people, and procedures that is configured to
collect, manipulate, store and process data into information.
Technology Infrastructure
ans:> All the hardware, software, databases, telecommunications,
people, and procedures that are configured to collect, manipulate, store
and process data into information.
Hardware
ans:> Any machinery (most of which uses digital circuits) that assists in
the input, processing, storage, and output activities of an information
system.
Software
ans:> The computer programs that govern the operation of a particular
computing device, be it desktop, laptop, tablet computers.
Database
ans:> An organised collection of electronic information
,Telecommunications
ans:> The electronic transmission of signals for communications;
enables organisations to carry out their processes and tasks through
effective computer networks
Networks
ans:> Computers and equipment that are connected in a room, building,
Campus, city, across the country or around the world to enable
electronic communications.
Internet
ans:> The world's largest computer network, actually consisting of
thousands of interconnected networks, all freely exchanging information.
Cloud Computing
ans:> A computing environment where software and storage are
provided as an Internet service and are accessed via a web browser.
A means of providing computer services wherein a serve provider
organization owns and manages the hardware, software, networking and
storage devices, with cloud user organizations(called tenants) accessing
slices of shared resources via the internet.
Intranet
ans:> An internal company network built using Internet and World Wide
Web standards and products that allows people within an organisation to
exchange information and work on projects.
Extranet
ans:> A network based on web technologies thats allows selected
outsiders, such as business partners, suppliers or customers, to access
authorised resources of a company's intranet.
Procedures
ans:> The strategies, policies, methods, and rules for using CBIS.
Business Information System Types
ans:> Strategic Level : Executive Support Systems - Support long-term,
strategic decisions made by senior managers
Tactical Level : Management information systems & Decision support
Systems - Support mid-term decisions made by middle managers
, Operational Level : Transaction Processing Systems, Customer
Relationship Management Systems & Supply Chain Management
Systems - Support the dat-to-day running of the firm
Transaction
ans:> Any business related exchange, such as payments to employees,
sales to customers and payments to suppliers.
Transaction Processing System (TPS)
ans:> An organised collections of people, procedures, software,
databases and devices used to record completed business transactions.
Enterprise Resource Planning (ERP) System
ans:> A set of integrated programs capable of managing a company's
vital business operations for an entire multisite, global organisation.
E-Commerce
ans:> Any business transaction executed electronically between
companies (business-to-business), companies and consumers
(business-to-consumer), consumers and other consumers (consumer-to-
consumer), businesses and the public sector , and consumers and the
public sector.
Mobile Commerce (M-Commerce)
ans:> Conducting business transactions electronically using mobile
devices such as smartphones.
Electronic Business (E-Commerce)
ans:> Using information systems and the internet to perform all
business-related tasks and functions.
Management Information Systems (MIS)
ans:> An organised collection of people, procedures, software,
databases and devices that provides routine information to managers
and decision makers.
Decision Support System (DSS)
ans:> An organised collection of people, procedures, software,
databases and devices used to support problem-specific decision
making.
Artificial Intelligence (AI)
