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#1 Which of the following languages is used as a scripting language in the Unity 3D game engine?
Explanation
Unity 3D uses C# as its primary scripting language. While Unity previously supported UnityScript (JavaScript-like) and Boo, C# has become the standard due to its performance, extensive .NET ecosystem, and strong typing system ideal for game development.
#2 Early RAM was directly seated onto the motherboard and could not be easily removed.
Explanation
This is true. Early computers had RAM chips soldered directly onto the motherboard, making memory upgrades impossible or requiring professional soldering. The introduction of memory modules like SIMMs and DIMMs in the late 1980s made RAM easily removable and upgradeable.
#3 What does the term MIME stand for, in regards to computing?
Explanation
MIME stands for Multipurpose Internet Mail Extensions. It's a standard that extends email capabilities to support non-text attachments, non-ASCII character sets, and multipart message bodies. MIME types are also used in web browsers to identify file formats.
#4 Linus Sebastian is the creator of the Linux kernel, which went on to be used in Linux, Android, and Chrome OS.
Explanation
This is false. Linus Torvalds (not Linus Sebastian) created the Linux kernel. Linus Sebastian is a tech YouTuber known for Linus Tech Tips. The Linux kernel is indeed used in Linux distributions, Android, and Chrome OS.
#5 Generally, which component of a computer draws the most power?
Explanation
The video card (GPU) typically draws the most power in a modern computer, especially high-end graphics cards used for gaming or professional work. They can consume 200-400+ watts, often more than the CPU, making them the primary power consumer in gaming systems.
#6 How many cores does the Intel i7-6950X have?
Explanation
The Intel i7-6950X, part of the Broadwell-E family released in 2016, has 10 cores and 20 threads. It was Intel's flagship consumer processor at the time, designed for high-end desktop systems requiring maximum multi-threaded performance.
#7 MacOS is based on Linux.
Explanation
This is false. macOS is based on Darwin, which derives from BSD (Berkeley Software Distribution) Unix, not Linux. While both are Unix-like operating systems, they have different kernels and origins: macOS uses the XNU kernel, while Linux uses the Linux kernel.
#8 The HTML5 standard was published in 2014.
Explanation
The HTML5 standard was officially published by the W3C in October 2014. HTML5 introduced many new features including semantic elements, multimedia support, canvas for graphics, and APIs for offline storage and geolocation.
#9 How many bytes are in a single Kibibyte?
Explanation
A Kibibyte (KiB) contains exactly 1024 bytes (2^10). This binary unit was introduced to distinguish from the decimal kilobyte (1000 bytes). Kibibyte uses the binary prefix 'kibi' meaning 1024, not the decimal 'kilo' meaning 1000.
#10 FLAC stands for "Free Lossless Audio Condenser"'
Explanation
This is false. FLAC stands for 'Free Lossless Audio Codec,' not 'Condenser.' It's an open-source audio compression format that compresses audio without any loss of quality, making it popular for archiving high-quality music.
#11 While Apple was formed in California, in which western state was Microsoft founded?
Explanation
Microsoft was founded in Albuquerque, New Mexico in 1975 by Bill Gates and Paul Allen. They later moved the company to Bellevue, Washington in 1979, and eventually to Redmond, Washington where it remains headquartered today.
#12 Which of these people was NOT a founder of Apple Inc?
Explanation
Jonathan Ive was not a founder of Apple. The three founders were Steve Jobs, Steve Wozniak, and Ronald Wayne (who sold his stake back after just 12 days). Jonathan Ive joined Apple in 1992 and became Chief Design Officer, designing iconic products like the iMac and iPhone.
#13 Android versions are named in alphabetical order.
Explanation
This is true. Android versions follow alphabetical order with dessert-themed names: Cupcake, Donut, Eclair, Froyo, Gingerbread, Honeycomb, Ice Cream Sandwich, Jelly Bean, KitKat, Lollipop, Marshmallow, Nougat, Oreo, Pie. Since Android 10, Google switched to numerical naming.
#14 On which computer hardware device is the BIOS chip located?
Explanation
The BIOS (Basic Input/Output System) chip is located on the motherboard. It contains firmware that initializes hardware components during boot-up and provides basic system services. Modern systems use UEFI (Unified Extensible Firmware Interface) as a BIOS replacement.
#15 The open source program Redis is a relational database server.
Explanation
This is false. Redis is an in-memory data structure store that can be used as a database, cache, and message broker. It's a NoSQL database that stores data in key-value pairs, not a relational database with tables and SQL queries.
#16 To bypass US Munitions Export Laws, the creator of the PGP published all the source code in book form.
Explanation
This is true. Phil Zimmermann published PGP source code as books to bypass export restrictions on cryptographic software. Books were protected by the First Amendment as free speech, while software was restricted as munitions. This clever legal workaround allowed PGP's global distribution.
#17 How many bits make up the significand portion of a single precision floating point number?
Explanation
In IEEE 754 single precision floating point format, the significand (mantissa) is 23 bits. The total 32-bit format consists of 1 sign bit, 8 exponent bits, and 23 significand bits. The 23-bit significand represents the fractional part of the normalized number.
#18 The teapot often seen in many 3D modeling applications is called what?
Explanation
The Utah Teapot (or Newell Teapot) is a 3D reference model created by Martin Newell at the University of Utah in 1975. It became a standard reference object in computer graphics for testing rendering algorithms due to its complex curved surfaces and familiar shape.
#19 What is the name of the default theme that is installed with Windows XP?
Explanation
Luna was the default visual theme for Windows XP, featuring the distinctive blue taskbar and window decorations. 'Whistler' was Windows XP's development codename, 'Neptune' was a cancelled Windows version, and 'Bliss' was the famous default desktop wallpaper.
#20 All program codes have to be compiled into an executable file in order to be run. This file can then be executed on any machine.
Explanation
This is false for two reasons: First, interpreted languages like Python and JavaScript don't require compilation - they're executed directly by interpreters. Second, compiled executables are typically platform-specific and won't run on different architectures or operating systems without recompilation.
#21 What is known as "the brain" of the Computer?
Explanation
The CPU (Central Processing Unit) is called 'the brain' of the computer because it performs all the logical and arithmetic operations, processes instructions, and controls other components. It makes decisions and coordinates activities throughout the computer system.
#22 What did the name of the Tor Anonymity Network orignially stand for?
Explanation
Tor originally stood for 'The Onion Router,' referring to the multiple layers of encryption used to protect user privacy - like layers of an onion. Data is encrypted multiple times and routed through several servers, with each layer being peeled off at each hop.
#23 Which one of these is not an official development name for a Ubuntu release?
Explanation
'Mystic Mansion' is not an official Ubuntu release name. Ubuntu uses alliterative animal names: Trusty Tahr (14.04), Utopic Unicorn (14.10), and Wily Werewolf (15.10) are all real Ubuntu releases. Each release follows the pattern of an adjective and animal name starting with the same letter.
#24 What is the main CPU is the Sega Mega Drive / Sega Genesis?
Explanation
The Sega Genesis/Mega Drive uses a Motorola 68000 processor running at 7.6 MHz as its main CPU. The system also has a Zilog Z80 as a secondary processor for backward compatibility and sound, while the Yamaha YM2612 is the sound synthesis chip, not a CPU.
#25 The last Windows operating system to be based on the Windows 9x kernel was Windows 98.
Explanation
This is false. Windows ME (Millennium Edition) was the last operating system based on the Windows 9x kernel, released after Windows 98. Windows ME was released in 2000 and marked the end of the 9x line before Microsoft transitioned fully to the NT kernel.
#26 Moore's law originally stated that the number of transistors on a microprocessor chip would double every...
Explanation
Moore's Law originally stated that transistor density would double every year. Gordon Moore made this observation in 1965. He later revised it to every two years in 1975, and the commonly cited version today is every 18-24 months, but the original prediction was annual doubling.
#27 What was the first commerically available computer processor?
Explanation
The Intel 4004, released in 1971, was the first commercially available microprocessor. It was a 4-bit processor originally designed for calculators but became the foundation for the personal computer revolution. It contained 2,300 transistors and ran at 740 KHz.
#28 What does RAID stand for?
Explanation
RAID stands for Redundant Array of Independent Disks (originally 'Inexpensive' instead of 'Independent'). It's a data storage technology that combines multiple disk drives into a single logical unit for redundancy, performance improvement, or both.
#29 Which programming language was developed by Sun Microsystems in 1995?
Explanation
Java was developed by Sun Microsystems and released in 1995. Created by James Gosling and his team, Java was designed to be platform-independent with the motto 'write once, run anywhere.' Sun Microsystems was later acquired by Oracle Corporation in 2010.
#30 The very first recorded computer "bug" was a moth found inside a Harvard Mark II computer.
Explanation
This is true. On September 9, 1947, Grace Hopper found an actual moth trapped in relay contacts of the Harvard Mark II computer, causing a malfunction. She taped the moth to the logbook with the note 'First actual case of bug being found,' coining the term 'computer bug.'
#31 The name of technology company HP stands for what?
Explanation
HP stands for Hewlett-Packard, named after founders Bill Hewlett and Dave Packard. They started the company in a garage in Palo Alto, California in 1939, which is often considered the birthplace of Silicon Valley. A coin flip determined the order of names.
#32 Nvidia's headquarters are based in which Silicon Valley city?
Explanation
NVIDIA's headquarters are located in Santa Clara, California. The company was founded in 1993 and has remained in Santa Clara, becoming one of the leading graphics processing unit (GPU) manufacturers and a major player in AI and machine learning hardware.
#33 In HTML, which non-standard tag used to be be used to make elements scroll across the viewport?
Explanation
The <marquee> tag was a non-standard HTML element introduced by Internet Explorer that made text or images scroll across the screen. While popular in the 1990s and early 2000s, it was never part of official HTML standards and is now deprecated and removed from modern browsers.
#34 Laserjet and inkjet printers are both examples of what type of printer?
Explanation
Laserjet and inkjet printers are both non-impact printers because they don't physically strike the paper. Laserjet uses laser and toner, while inkjet sprays ink droplets. Impact printers like dot matrix and daisywheel physically strike the paper through a ribbon to create marks.
#35 What was Bitcoin's block size limit in 2010?
Explanation
Bitcoin's block size limit was set to 1 MB in 2010 by Satoshi Nakamoto as a temporary anti-spam measure. This limit became a major scaling issue as Bitcoin grew, leading to the block size debate and eventually solutions like SegWit and the Lightning Network.
#36 Which of the following is a personal computer made by the Japanese company Fujitsu?
Explanation
The FM-7 was a personal computer made by Fujitsu, released in 1982. The PC-9801 was made by NEC, MSX was a standardized computer architecture by Microsoft/ASCII, and Xmillennium was not a real Japanese computer model.
#37 What does the term GPU stand for?
Explanation
GPU stands for Graphics Processing Unit. Originally designed for rendering graphics and images, GPUs are now widely used for parallel computing tasks including machine learning, cryptocurrency mining, and scientific computing due to their highly parallel architecture.
#38 The 'Raspberry Pi' series of single-board computers were created in the United States.
Explanation
This is false. The Raspberry Pi was created in the United Kingdom by the Raspberry Pi Foundation, founded by Eben Upton and colleagues at the University of Cambridge. The goal was to promote computer science education in schools.
#39 In programming, what do you call functions with the same name but different implementations?
Explanation
Function overloading allows multiple functions with the same name but different parameters (number, type, or order). The compiler/interpreter determines which function to call based on the arguments provided. Overriding involves replacing a parent class method in a subclass.
#40 Which of these programming languages is a low-level language?
Explanation
Assembly is a low-level programming language that uses mnemonic codes to represent machine language instructions. It provides direct control over hardware with minimal abstraction. Python, C#, and Pascal are high-level languages with greater abstraction from hardware details.
#41 What is the correct term for the metal object in between the CPU and the CPU fan within a computer system?
Explanation
A heat sink is a passive cooling component that absorbs and dissipates heat from the CPU. Made of thermally conductive materials like aluminum or copper, it uses fins to increase surface area for better heat transfer to the surrounding air, often aided by a fan.
#42 What does the acronym CDN stand for in terms of networking?
Explanation
CDN stands for Content Delivery Network. It's a system of distributed servers that deliver web content and services to users based on their geographic location, improving website performance and reducing latency by serving content from nearby servers.
#43 Which coding language was the #1 programming language in terms of usage on GitHub in 2015?
Explanation
JavaScript was the most popular programming language on GitHub in 2015, driven by the growth of web development, Node.js for server-side development, and the expanding JavaScript ecosystem. This trend has continued, with JavaScript remaining one of the top languages on GitHub.
#44 The first dual-core CPU was the Intel Pentium D.
Explanation
This is false. While the Pentium D was Intel's first consumer dual-core processor (2005), IBM's POWER4 (2001) was the first commercial dual-core processor. AMD's Athlon 64 X2 also preceded some Pentium D models, and there were earlier dual-core processors in specialized markets.
#45 .rs is the top-level domain for what country?
Explanation
The .rs top-level domain belongs to Serbia. Country code top-level domains (ccTLDs) are assigned based on ISO 3166-1 alpha-2 country codes. Serbia's ccTLD was established after the country gained independence and became a separate internet domain authority.
#46 All of the following programs are classified as raster graphics editors EXCEPT:
Explanation
Inkscape is a vector graphics editor, not a raster graphics editor. It works with scalable vector graphics (SVG) format. Paint.NET, GIMP, and Adobe Photoshop are all raster graphics editors that work with pixel-based images like PNG, JPEG, and BMP files.
#47 How fast is USB 3.1 Gen 2 theoretically?
Explanation
USB 3.1 Gen 2 has a theoretical maximum speed of 10 Gbps (gigabits per second). This is double the speed of USB 3.1 Gen 1, which operates at 5 Gbps. Note that actual transfer speeds are typically lower than theoretical maximums due to protocol overhead and other factors.
#48 The first computer bug was formed by faulty wires.
Explanation
This is false. The first recorded computer bug was literally a moth trapped in the relay contacts of the Harvard Mark II computer in 1947, discovered by Grace Hopper. It wasn't caused by faulty wires but by an actual insect interfering with the mechanical relay switches.
#49 .at is the top-level domain for what country?
Explanation
The .at top-level domain belongs to Austria. This country code top-level domain is derived from the ISO 3166-1 alpha-2 country code for Austria. Argentina uses .ar, Australia uses .au, and Angola uses .ao as their respective country domains.
#50 What does the 'S' in the RSA encryption algorithm stand for?
Explanation
The 'S' in RSA stands for Shamir, one of the algorithm's three inventors. RSA is named after Ron Rivest, Adi Shamir, and Leonard Adleman, who first publicly described the algorithm in 1977. RSA became one of the first widely used public-key cryptosystems.