Tech+ IT Concepts and Terminology Deck Flashcards

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Explain what a data center is.A facility housing computer systems and storage components.
Explain what a motherboard is.Main PCB in a computer connecting CPU, RAM, and storage.
What is an IP address?Unique identifier for devices on a network.
Compare and contrast common units of measure.Storage: Bit, Byte, KB, MB, GB, TB. Throughput: bps, Kbps, Mbps. Speed: MHz, GHz.
What is cloud computing?Delivery of services like storage and software over the internet.
What is a firewall?Monitors and controls network traffic based on security rules.
Define 'bit' and 'byte'.A bit is 0 or 1; a byte is 8 bits.
What is PaaS?Platform for developing, running, and managing applications.
What is a router?Forwards data packets between networks\, directs internet traffic.
What is a CPU?Performs most of the processing inside a computer. Stands for Central Processing Unit.
Explain a wireless access point.Allows Wi-Fi devices to connect to a wired network.
What is network segmentation?Dividing a network into smaller parts for better security and performance.
What is a hard drive?Storage device using rotating disks to store data.
Identify notational systems.Binary, Hexadecimal, Decimal, Octal.
What is virtualization?Creating a virtual version of hardware or network resources.
Define a VPN.A service that encrypts your internet connection and hides your online activity.
Define IaaS.Provides virtualized computing resources over the internet.
Define RAM.Memory used for storing data and machine code in use. Stands for Random Access Memory.
What is the difference between binary and hexadecimal notation?Binary: base 2 (0,1), Hexadecimal: base 16 (0-9, A-F).
Define a virtual machine.Software-based computer emulation running OS and apps.
Explain the basics of computing.Input, Processing, Output, Storage.
Explain what DNS is.Translates domain names into IP addresses.
Explain the troubleshooting methodology.1. Identify problem 2. Establish theory 3. Test 4. Plan solution 5. Verify 6. Document.
What are the functions of input, processing, output, and storage?Input: enter data; Processing: manipulate; Output: display; Storage: save.
Explain SaaS.Software delivered over the internet on a subscription basis.
Define a switch in networking.Connects devices within a network, forwards data to destinations.
What is a modem?Converts data between digital and analog for transmission.