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What is the main role of the motherboard in a computer?
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The motherboard acts as the backbone, connecting and allowing communication between all parts of the computer.
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Why is understanding hardware like motherboards essential in IT?
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It builds a foundational knowledge base, enabling effective problem-solving and implementation of solutions in IT.
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CPU (Central Processing Unit)
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The "brain" of the computer responsible for processing data and controlling other parts.
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GPU (Graphics Processing Unit)
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A specialized processor designed to handle graphics rendering, video tasks, and heavy parallel computing.
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RAM (Random Access Memory)
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Temporary storage used to store data while the computer is in use. It helps improve system speed and multitasking.
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Storage Devices
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Long-term memory storage, such as hard drives (HDD) and solid-state drives (SSD), used to store files, operating systems, and applications.
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Cooling System
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Components such as fans or liquid coolers that prevent the computer from overheating.
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What are "form factors" in the context of motherboards?
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Form factors refer to the size, layout, and compatibility of a motherboard, impacting the size of the computer and component connections.
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What are the two main motherboard form factors, and how do they differ?
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The two main form factors are ATX (full-size for desktops, offering more expansion slots) and ITX (smaller for compact computers, with fewer slots).
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Describe the main use of an ATX (Advanced Technology eXtended) motherboard.
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It is the standard full-size motherboard for desktop PCs, supporting more components due to its larger size.
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Describe the size and slot capacity of a full-size ATX motherboard.
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A full-size ATX motherboard measures 12 inches x 9.6 inches and can have up to 7 expansion slots.
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Micro-ATX (mATX)
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A smaller variant of the ATX form factor with fewer expansion slots. Fits in both ATX and mATX cases.
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ITX (Information Technology eXtended)
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A smaller form factor, such as Mini-ITX.
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Where are Mini-ITX motherboards commonly used?
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In small form factor (SFF) PCs, like compact home computers or mini servers.
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What are the dimensions of a Mini-ITX motherboard?
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6.7 inches x 6.7 inches (170 mm x 170 mm), with 1 expansion slot.
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Can Mini-ITX motherboards fit into ATX cases?
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Yes, most Mini-ITX motherboards are compatible with ATX cases.
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PCI (Peripheral Component Interconnect)
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An older expansion slot standard, now largely replaced by PCIe, using parallel communication.
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What is PCIe, and why is it significant in modern computing?
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PCIe (Peripheral Component Interconnect Express) is a fast, serial communication standard used for high-speed adapter cards.
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How does PCIe enable faster data transfer compared to older PCI?
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It uses point-to-point serial links instead of parallel communication, improving data transfer speeds and efficiency.
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What are the lane configurations available in PCIe slots, and what do they mean?
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PCIe slots support x1, x4, x8, and x16 lanes, where more lanes mean higher data transfer rates for connected devices.
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How is PCIe backward compatible, and what are its power limitations?
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PCIe is backward compatible across versions, working at the speed of the lowest component, and supplies up to 75W of power per slot.
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Can PCI cards be used in PCIe slots?
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No, PCI cards are not compatible with PCIe slots despite PCIe’s software compatibility with PCI.
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CPU Socket
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A socket on the motherboard that holds the CPU and connects it to the system's memory and components.
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DIMM (Dual Inline Memory Module)
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Holds RAM and is inserted into memory slots on the motherboard. Used for storing and executing active data and programs.
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SATA (Serial Advanced Technology Attachment)
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An interface for connecting storage devices like hard drives and SSDs to the motherboard.
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M.2 Interface
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A high-speed interface for SSDs, allowing the drive to connect directly to the motherboard without cables.
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eSATA (External Serial ATA)
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An external interface for connecting external drives, separate from the internal SATA interface.
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P1 Motherboard Power Connector
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A 2x12-pin connector used to supply power to the motherboard.
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3-Pin and 4-Pin Fan Connectors
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3-pin controls fan speed by voltage. 4-pin offers precise fan-speed control via PWM (Pulse Width Modulation).
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Headers
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Connectors on the motherboard for case buttons, speakers, and USB ports.
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Chipset
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Manages data flow between the CPU, memory, and peripherals. Dictates what CPUs and RAM the motherboard supports.
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What is the purpose of standoffs in motherboard installation?
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Standoffs attach the motherboard to the case, preventing it from touching the case and causing electrical shorts.
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Name a key anti-static precaution to take before handling a motherboard.
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Use anti-ESD (Electrostatic Discharge) precautions, such as grounding yourself, to avoid damaging the motherboard.
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Power Button (Soft Power)
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Sends a signal for the OS to shut down the computer. Holding it down cuts power completely.
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Drive Activity Lights
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Indicates when an internal hard disk is being accessed.
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USB Ports
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Headers that connect internal USB ports. USB 2 has 9 pins and USB 3 has a 2x10 pin configuration.
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SATA Power Connector
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Provides power to storage devices like hard drives and SSDs.
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Parallel vs. Serial Communication
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Parallel sends data simultaneously, while serial (PCIe) sends one bit at a time, making it faster due to fewer synchronization delays.
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Describe the steps involved in mounting a motherboard to a case.
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Align it with the case’s I/O (Input/Output) cutout, fit the I/O plate, insert standoffs, secure the motherboard with screws, and connect power and data cables.