Computer Terms — Set 4

Correct Answer: B. Terabyte

• **Terabyte** = TB stands for Terabyte and is a unit of digital information storage. • **1,024 Gigabytes (GB)** — one Terabyte is equal to this amount of digital data. • 💡 Wrong-option analysis: [Technical Bit]: This is not a standard unit of memory; [Transfer Byte]: This is not a recognized unit for memory storage; [Total Bytes]: This is not the correct abbreviation for TB.

Correct Answer: A. Wireless Fidelity

• **Wireless Fidelity** = Wi-Fi is a family of wireless network protocols used for local area networking and internet access. • **'Hi-Fi'** — the term Wi-Fi was created by a branding firm as a play on this existing audio term. • 💡 Wrong-option analysis: [Wave Frequency]: While Wi-Fi uses radio waves, this is not its full form; [Wired Filter]: Wi-Fi is wireless, and 'filter' is incorrect; [Wireless Fiber]: Wi-Fi uses radio waves for its primary wireless transmission, not fiber optic cables.

Correct Answer: B. Central Processing Unit

• **Central Processing Unit** = CPU stands for Central Processing Unit and is often referred to as the brain of the computer. • **Gigahertz (GHz)** — the performance of a CPU is typically measured in this unit. • 💡 Wrong-option analysis: [Central Power User]: This is not the correct full form for CPU; [Core Processing Unit]: While 'core' is related to CPU architecture, it's not the 'C' in CPU; [Computer Power Unit]: This usually refers to a power supply unit (PSU), not the CPU.

Correct Answer: B. Hypertext Markup Language

• **Hypertext Markup Language** = HTML stands for Hypertext Markup Language and is the standard markup language for creating web pages. • **Tags** — HTML uses these to define elements like headings, paragraphs, and links, structuring web content. • 💡 Wrong-option analysis: [High Tech Markup Language]: 'Hypertext' is the correct 'HT', not 'High Tech'; [Hypertext Marking Language]: 'Markup' is the correct term, not 'Marking'; [Hyperlink Text Management Language]: This combines related concepts but is not the correct full form.

Correct Answer: A. Universal Serial Bus

• **Universal Serial Bus** = USB stands for Universal Serial Bus and is an industry standard for cables, connectors, and protocols for connection and power supply. • **USB-C** — this is the latest and most versatile version of the USB interface standard. • 💡 Wrong-option analysis: [Universal System Bus]: 'Serial' is the correct term, not 'System'; [Unitary Storage Bus]: 'Universal Serial' are the correct terms, not 'Unitary Storage'; [Unique Serial Binary]: 'Bus' is the correct term, not 'Binary'.

Correct Answer: A. Compact Disc Read-Only Memory

• **Compact Disc Read-Only Memory** = CD-ROM stands for Compact Disc Read-Only Memory and is a pre-pressed optical compact disc that contains data. • **Data on a CD-ROM** — this data can be read by a computer but cannot be modified or erased. • 💡 Wrong-option analysis: [Circular Disc Read-Only Memory]: While CDs are circular, 'Compact' is the correct 'C'; [Computer Disc Read-Only Memory]: 'Compact' is the correct 'C', not 'Computer'; [Compact Data Read-Only Module]: 'Disc' and 'Memory' are the correct terms, not 'Data' and 'Module'.

Correct Answer: D. Binary Digit

• **Binary Digit** = BIT stands for Binary Digit and is the smallest unit of data in a computer. • **0 or 1** — a bit can have either of these values, representing off or on states in digital systems. • 💡 Wrong-option analysis: [Binary Information Token]: 'Digit' is the correct term for 'IT'; [Basic Information Technology]: This is a common phrase but not the full form of BIT as a data unit; [Binary Integrated Term]: 'Digit' is the correct term for 'IT'.

Correct Answer: B. Read-Only Memory

• **Read-Only Memory** = ROM stands for Read-Only Memory and is a type of non-volatile memory used in computers and other electronic devices. • **Firmware** — ROM is commonly used for storing this, such as the BIOS, which is essential for computer startup. • 💡 Wrong-option analysis: [Remote-Operating Module]: 'Read-Only Memory' is the correct full form; [Random-Only Memory]: 'Read-Only' is the correct full form; [Rapid-Output Memory]: 'Read-Only' is the correct full form.

Correct Answer: B. World Wide Web

• **World Wide Web** = WWW stands for World Wide Web and is an information system where documents and other web resources are identified by URLs. • **1989** — the World Wide Web was invented by Sir Tim Berners-Lee in this year. • 💡 Wrong-option analysis: [Western Wide Web]: 'World' is the correct term, not 'Western'; [World Web Window]: 'Wide' is the correct term, not 'Window'; [World Wired Web]: 'Wide' is the correct term, and 'Wired' implies a physical connection, not central to the Web's definition.

Correct Answer: C. Cathode Ray Tube

• **Cathode Ray Tube** = CRT stands for Cathode Ray Tube and was the standard technology used for televisions and computer monitors for several decades. • **Electron gun** — CRT technology uses this component to strike a phosphor-coated screen and create images. • 💡 Wrong-option analysis: [Cathode Radio Transmitter]: 'Ray Tube' is the correct term, not 'Radio Transmitter'; [Common Rate Technology]: 'Cathode Ray Tube' is the correct full form; [Crystal Ray Tube]: 'Cathode' is the correct term, not 'Crystal'.