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GK One-Line Question & Answer

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Computer Fundamentals → Introduction to Computer 38

TDP (Thermal Design Power) in CPUs represents?
Average power dissipation the cooler must handle
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Which CPU socket type does AMD Ryzen 7000 series use?
AM5
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Intel Core i9 vs i5: i9 typically has?
More cores, higher cache, higher TDP
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Hyper-Threading (Intel) / SMT (AMD) allows?
One physical core to appear as two logical processors
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Which component generates reference clock signal for the CPU?
Crystal oscillator
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PCIe 5.0 doubles the bandwidth of PCIe 4.0, providing per-lane bandwidth of?
4 GB/s
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Which motherboard form factor is most common in desktop PCs?
ATX
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Mini-ITX motherboard is preferred for?
High-performance servers
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VRM (Voltage Regulator Module) on motherboard?
Converts and regulates power for CPU from PSU
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Phase count in VRM indicates?
Number of power delivery stages — more phases = more stable power
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Which connector provides power to the CPU on the motherboard?
4-pin or 8-pin EPS
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Ray tracing in GPUs simulates?
Physically accurate light behavior (reflections, shadows)
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Which GPU API is primarily used in Windows gaming?
DirectX 12
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Vulkan API advantages over OpenGL?
Lower CPU overhead, better multi-threading, explicit GPU control
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DLSS (NVIDIA) and FSR (AMD) are used for?
AI-based upscaling to render at lower res and display at higher res
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Which component in a PC is responsible for converting AC to DC?
Power Supply Unit (PSU)
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80 PLUS certification for PSUs measures?
Power efficiency at various load levels
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Which PSU efficiency rating is highest?
80 PLUS Titanium
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Which thermal interface material has highest conductivity?
Liquid metal (Gallium alloy)
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Heat pipe technology uses which principle?
Phase change of coolant to transfer heat
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AIO (All-In-One) liquid cooler components include?
Radiator, fans, and CPU block connected by tubes
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Custom liquid cooling loop benefits over AIO?
Higher thermal performance and customization
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TIM (Thermal Interface Material) between CPU and cooler?
Fills microscopic gaps to improve heat transfer
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Which socket uses LGA (Land Grid Array) design where pins are on the socket?
Both Intel LGA and AMD AM5
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PGA (Pin Grid Array) socket has pins on?
CPU package
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Which bus connects CPU to PCH (Platform Controller Hub) on modern motherboards?
DMI (Direct Media Interface)
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Chipset on a motherboard handles?
I/O operations, USB, SATA, PCIe routing for peripheral connections
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POST beep codes are used to?
Identify hardware failures through audio patterns
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UEFI advantages over legacy BIOS include?
Supports GPT, drives >2TB, faster boot, GUI interface
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Secure Boot in UEFI prevents?
Loading of unsigned/unauthorized bootloaders and OS
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TPM (Trusted Platform Module) chip is used for?
Secure key storage, disk encryption, attestation
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TPM 2.0 is required for?
Windows 11
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Which technology allows CPU to access GPU memory and vice versa (AMD)?
Smart Access Memory (SAM/Resizable BAR)
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NVLink is used to?
Connect two NVIDIA GPUs for multi-GPU configurations
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Which technology connects multiple monitors to one DisplayPort?
MST (Multi-Stream Transport)
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Thunderbolt 3/4 is based on which physical connector?
USB-C
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Which GPU memory type offers highest bandwidth for modern GPUs?
HBM2e
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CPU cache coherency ensures?
Multiple CPU cores see consistent memory values
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Computer Fundamentals → Memory Units 2

GPU VRAM (Video RAM) is used for?
Storing textures, frame buffer, and rendering data
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Modular PSU differs from non-modular in?
Cables detach for cleaner builds
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