Questions and Answers
What does CPU stand for?
Which of the following is an example of an operating system?
What is the full form of URL?
Which of the following is not a programming language?
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Which of the following is an input device?
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What does BIOS stand for?
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What is the main function of the ALU?
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Which of the following is a type of storage device?
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What does HTTP stand for?
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Which of the following is not a type of computer memory?
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What is a 'thumbnail'?
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What does 'SEO' stand for?
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What is the purpose of the chmod command in Unix/Linux?
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What does RAID stand for in computing?
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What is the primary function of a DNS server?
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Study Notes
Computer Hardware and Components
- CPU stands for Central Processing Unit, which is the brain of the computer.
- The ALU (Arithmetic Logic Unit) performs arithmetic and logic operations.
- BIOS stands for Basic Input Output System, which is responsible for controlling the computer's hardware components.
- RAM (Random Access Memory) temporarily stores data, while ROM (Read-Only Memory) stores data permanently.
- A hard drive is a type of storage device that stores data, and an SSD (Solid-State Drive) is a faster and more durable alternative.
- A motherboard connects all the computer's components together.
- A graphics card is responsible for displaying images on the screen.
- A modem is used to connect to the internet, and a router is used to connect multiple devices to a network.
Computer Software
- An operating system (such as Windows or macOS) manages hardware and software resources.
- Application software (such as Microsoft Word or Google Chrome) is used to perform specific tasks.
- System software (such as device drivers) is used to manage computer hardware.
- Utility software (such as antivirus programs) is used to maintain and optimize the computer.
- A programming language (such as Python or Java) is used to write software instructions.
Networking and Internet
- A network is a connection between multiple devices, and a LAN (Local Area Network) is a network that connects devices in a limited area.
- The internet is a global network of interconnected computers and servers.
- A URL (Uniform Resource Locator) is used to access a website, and a DNS (Domain Name System) translates domain names to IP addresses.
- HTTP (Hypertext Transfer Protocol) is used to transfer data over the internet, and HTTPS (Hypertext Transfer Protocol Secure) is a secure version of HTTP.
- FTP (File Transfer Protocol) is used to transfer files over the internet.
Security and Safety
- A firewall is used to block unauthorized access to a network or computer.
- Antivirus software is used to protect against malware and viruses.
- A VPN (Virtual Private Network) is used to create a secure connection to a network over the internet.
Miscellaneous
- A database is used to store and organize data.
- A cloud storage service (such as Dropbox or Google Drive) is used to store and access files over the internet.
- A meme is a humorous image, video, or piece of text that is shared widely online.
- A hashtag is a way to categorize content on social media.
- A tweet is a message posted on Twitter.
- An app is a software application designed to run on mobile devices.
Historical Figures and Companies
- Charles Babbage is known as the father of the computer.
- Alan Turing is known for his contributions to computer science and artificial intelligence.
- Bill Gates and Paul Allen co-founded Microsoft.
- Steve Jobs and Steve Wozniak co-founded Apple.
- Linus Torvalds developed the Linux operating system.
- Google developed the Android operating system.
- Intel is a company known for its processors and is considered the leader in the CPU market.### Operating Systems
- Linux is an operating system known for its command-line interface and is widely used in servers.
Network Security
- A firewall is a network security system that monitors and controls incoming and outgoing network traffic.
Apple Co-Founders
- Steve Wozniak co-founded Apple along with Steve Jobs.
Database Management Systems
- MySQL is a widely used database management system.
Not an Operating System
- Python is not an operating system.
RAM
- RAM stands for Random Access Memory.
File Transfer Protocol
- FTP is the protocol used to transfer files over the internet.
World Wide Web
- Tim Berners-Lee is credited with inventing the World Wide Web.
Computer Storage
- SSD stands for Solid State Drive in computer storage.
Tablet and Laptop Manufacturers
- Microsoft is the company known for the ‘Surface’ line of tablets and laptops.
Operating System Functions
- The primary purpose of an operating system is to manage hardware and software resources.
Cybersecurity
- Phishing refers to fraudulent attempts to obtain sensitive information in cybersecurity.
Computer Hard Drive
- The main function of a computer’s hard drive is to store data.
Internet Connectivity
- ISP stands for Internet Service Provider in internet connectivity.
Relational Database Management Systems
- Microsoft Access is a relational database management system.
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Test your knowledge of computer technology basics, including CPU, operating systems, and internet fundamentals. Perfect for 7th and 8th graders.