Technology/Mobile — English

What device converts digital signals into analog for transmission over traditional phone lines?
The device that converts digital signals into analog for transmission over traditional phone lines is called a modem. Modems modulate...
Added: 26 May 2002
Updated: 06 Nov 2025
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What computer network topology is shaped like a ring?
The computer network topology shaped like a ring is known as the ring topology. In this configuration, each device is...
Added: 26 May 2002
Updated: 10 Nov 2025
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Which cloud computing model allows users to rent virtualized hardware resources?
The cloud computing model that allows users to rent virtualized hardware resources is known as Infrastructure as a Service (IaaS)....
Added: 26 May 2002
Updated: 22 Nov 2025
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What is the main purpose of a firewall in network security?
The main purpose of a firewall in network security is to monitor and control incoming and outgoing traffic based on...
Added: 26 May 2002
Updated: 14 Nov 2025
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What component of a computer is responsible for executing instructions from software?
The component responsible for executing instructions from software is the central processing unit (CPU). As the primary computational engine of...
Added: 26 May 2002
Updated: 25 Nov 2025
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Which technology allows for voice-activated virtual assistants?
The technology that allows for voice-activated virtual assistants is natural language processing (NLP). NLP is a subset of artificial intelligence...
Added: 26 May 2002
Updated: 21 Nov 2025
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What does the term 'blockchain' refer to in technology?
The term 'blockchain' in technology refers to a decentralized, distributed ledger that records transactions across multiple nodes securely and transparently....
Added: 26 May 2002
Updated: 26 Nov 2025
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What is the difference between RAM and ROM in a computer?
The difference between RAM (Random Access Memory) and ROM (Read-Only Memory) lies primarily in their functionality and purpose in a...
Added: 26 May 2002
Updated: 09 Nov 2025
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What is a common use of augmented reality technology?
A common use of augmented reality (AR) technology is in mobile applications and games, where digital content is overlaid onto...
Added: 26 May 2002
Updated: 24 Nov 2025
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Which file format is commonly used to preserve the layout of documents across different systems?
The file format commonly used to preserve the layout of documents across different systems is PDF (Portable Document Format). PDF...
Added: 26 May 2002
Updated: 03 Nov 2025
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In software development, what does "agile" refer to?
In software development, the term "agile" refers to a set of methodologies that prioritize flexibility, collaboration, and customer feedback. Agile...
Added: 26 May 2002
Updated: 27 Nov 2025
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What technology allows for the wireless transmission of data over short distances using radio frequency?
The technology that allows for the wireless transmission of data over short distances using radio frequency is Bluetooth. Bluetooth enables...
Added: 26 May 2002
Updated: 15 Nov 2025
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In the context of cybersecurity, what does the term 'phishing' refer to?
In the context of cybersecurity, the term 'phishing' refers to a malicious technique used to deceive individuals into providing sensitive...
Added: 26 May 2002
Updated: 29 Nov 2025
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What technology underpins most cryptocurrencies?
The technology that underpins most cryptocurrencies is blockchain. Blockchain is a decentralized ledger technology that securely records and verifies transactions...
Added: 26 May 2002
Updated: 09 Nov 2025
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Which term describes the process of analyzing large sets of data to identify patterns?
The term describing the process of analyzing large sets of data to identify patterns is data mining. Data mining utilizes...
Added: 26 May 2002
Updated: 24 Nov 2025
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Which online platform is known for sharing and hosting software development projects?
The online platform known for sharing and hosting software development projects is GitHub. GitHub provides a collaborative environment for developers...
Added: 26 May 2002
Updated: 14 Nov 2025
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Which component of a computer is responsible for executing instructions?
The component responsible for executing instructions in a computer is the central processing unit (CPU). The CPU acts as the...
Added: 26 May 2002
Updated: 15 Nov 2025
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What is the significance of Moore's Law in the semiconductor industry?
The significance of Moore's Law in the semiconductor industry lies in its prediction that the number of transistors on a...
Added: 26 May 2002
Updated: 22 Nov 2025
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What technology is used for two-factor authentication?
The technology used for two-factor authentication (2FA) typically involves time-based one-time passwords (TOTP) or SMS-based codes. 2FA enhances security by...
Added: 26 May 2002
Updated: 15 Nov 2025
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Which file format is commonly used for compressing images without losing quality?
The file format commonly used for compressing images without losing quality is PNG (Portable Network Graphics). PNG uses lossless compression,...
Added: 26 May 2002
Updated: 13 Nov 2025
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