Intro to IT

What are the main functions of Information Technology (IT) in an organization?

User Support, Data Management, Networks, System Integration.

What are the core components of IT Software?

Software Development, Security, Business Analysis.

What differentiates Information Technology from Information Systems?

Information Technology focuses on technology infrastructure, while Information Systems emphasizes the integration of technology, people, and processes.

What are the levels of the Data Pyramid?

Data, Information, Knowledge, Wisdom.

What is the purpose of Intranet, Internet, and Extranet?

Intranet: internal networking; Internet: global networking; Extranet: collaboration with external partners.

What are the four phases of Project Management Life Cycle?

Project Initiation, Planning, Execution, Closure.

What key roles do Administrators play in IT?

System, Network, Database, Security, and Web Administrators manage and maintain IT infrastructure.

Can you name the types of databases?

Flat-File Database, Hierarchical Database, Relational Database.

What is the purpose of protocols in networks?

Protocols ensure proper communication and data exchange between devices on a network.

What are the differences between application software and systems software?

Application software performs specific tasks for users, while systems software manages computer hardware and provides a platform for applications.

What does the CIA Triad stand for in cybersecurity?

Confidentiality, Integrity, Availability.

What are the three types of cloud services?

IaaS (Infrastructure as a Service), PaaS (Platform as a Service), SaaS (Software as a Service).

What are some common communication devices?

Modem, Network Cables, Satellite, Wireless, Bluetooth.

What is the primary purpose of a Database Administrator (DBA)?

To manage and maintain database systems efficiently and securely.

What are the characteristics of quality data?

Precise, Valid, Reliable, Timely, Complete.

What do the terms 'Big Data' refer to?

Large volumes of data that cannot be processed effectively using traditional methods.

What distinguishes structured data from unstructured data?

Structured data is organized in a defined format, while unstructured data is not organized and can be in various formats.

What is an example of a significant innovation in computing history?

The development of the internet, which transformed global communication.

What are the types of network topologies?

Bus, Star, Ring, Mesh, Hybrid.

What does SDLC stand for in IT project management?

Software Development Life Cycle.

What are two categories of mobile operating systems?

Google Android and Apple iOS.

What does 'outsourcing' mean in an IT context?

Contracting external vendors to manage certain IT functions or processes.

What are some types of malware?

Virus, Worm, Spyware, Phishing.

What role does project management play in IT?

It ensures IT projects are completed on time, within scope, and budget.

What is the difference between Closed-Source and Open-Source software?

Closed-source software restricts access to its source code, while open-source software allows users to view and modify the source code.