IT Overview Flashcards
Learn the basic skills necessary to have a successful career in IT.
What is IT? (Information Technology)
A field of computer science centered on the ways in which computers can be used to communicate information.
What are some examples of IT (Information Technology)?
Connect to the internet
Send an email
Print a document
What are the core pillars in IT (Information Technology)?
Computers
Networking and the Internet
Operating Systems and Applications of Software
Software Development
Databases
Cybersecurity
What is a computer?
A machine that can quickly complete a vast number of extremely simple tasks. These tasks can then, in the aggregate, be used to complete much larger tasks.
What is aggregate?
The process of combining multiple elements into a single entity or summarizing data from various sources.
What is a network?
A group of interconnected nodes or devices that exchange data and resources with each other.
What is a node?
Data.
What is the internet?
A vast network that connects computers all over the world?
The internet is important so computers can?
Communicate information to other computers and users.
A computer can communicate information to a user via?
Visually: Monitor
Audibly: Speakers
What is a software program?
Organized sets of instructions that utilize the computer’s hardware to complete predefined tasks.
Hardware communicates?
Information
Software determines?
When, how, and what information gets communicated.
What is the most foundational form of software?
OS (Operating system)
What does OS mean?
Operating system.
What is an OS (Operating system)?
Software that supports a computer’s basic functions
What is an example of humans interacting with a computer that makes sense to us?
A computer providing a visual interface.
Interactions between a person and a computer using external devices like keyboards, monitors, etc.
Before software dictates, it must be?
- Built
- Written
- The developer sets the parameters the program will ultimately follow.
Software development is important in IT because?
The skills can be used to develop systems
Create functional programs that improve how a task can be completed.
What is a database?
A database is like a closet you store things in.
It stores virtual information only accessible with a computer.
As more data is created, it is important that the databases are?
Built to insert new data and retrieve old data in a quick and efficient manner.
Cybersecurity in IT (Information Technology), is important because?
We must make sure the information is communicated and stored safely and securely while only the right people should have access to it.
