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