20 Computer GPU Quiz Questions and Answers

Question 1:
What does GPU stand for?
A) General Processing Unit
B) Graphics Processing Unit
C) Graphical Processor Unit
D) Global Processing Unit

Answer: B) Graphics Processing Unit

Explanation: GPU is an acronym for Graphics Processing Unit, a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.

Question 2:
Which component of a GPU is primarily responsible for storing textures and frame buffers?
A) CUDA Cores
B) Video RAM (VRAM)
C) Clock Speed
D) Heat Sink

Answer: B) Video RAM (VRAM)

Explanation: VRAM is dedicated high-speed memory on the GPU that stores data such as textures, shaders, and frame buffers, allowing for faster rendering and processing of graphics.

Question 3:
What is the main difference between a dedicated GPU and an integrated GPU?
A) Dedicated GPUs are slower
B) Integrated GPUs share system RAM, while dedicated GPUs have their own VRAM
C) Dedicated GPUs are only for laptops
D) Integrated GPUs are more expensive

Answer: B) Integrated GPUs share system RAM, while dedicated GPUs have their own VRAM

Explanation: A dedicated GPU has its own separate VRAM for graphics processing, making it more powerful for tasks like gaming, whereas an integrated GPU uses the computer’s main system RAM, which can limit performance.

Question 4:
Which company is known for developing the CUDA parallel computing platform?
A) AMD
B) Intel
C) NVIDIA
D) Qualcomm

Answer: C) NVIDIA

Explanation: NVIDIA developed CUDA, a parallel computing platform and programming model that enables dramatic increases in computing performance by harnessing the power of the GPU.

Question 5:
What does overclocking a GPU involve?
A) Reducing the GPU’s power consumption
B) Increasing the clock speed beyond factory settings
C) Adding more VRAM
D) Cooling the GPU to lower temperatures

Answer: B) Increasing the clock speed beyond factory settings

Explanation: Overclocking involves manually increasing the GPU’s clock speed to achieve higher performance, though it can lead to increased heat and potential instability if not managed properly.

Question 6:
In computer graphics, what is the purpose of shaders?
A) To manage GPU cooling
B) To calculate rendering effects like lighting and textures
C) To store data in VRAM
D) To connect the GPU to the motherboard

Answer: B) To calculate rendering effects like lighting and textures

Explanation: Shaders are small programs written in a shading language that run on the GPU to determine how pixels are rendered, including effects like lighting, shadows, and textures for more realistic graphics.

Question 7:
Which GPU technology is used for real-time ray tracing in games?
A) CUDA
B) RT Cores
C) Tensor Cores
D) Stream Processors

Answer: B) RT Cores

Explanation: RT Cores, found in NVIDIA GPUs, are specialized hardware units designed to accelerate ray tracing, which simulates the physical behavior of light for more realistic lighting and reflections.

Question 8:
What is the primary advantage of using a GPU for machine learning tasks?
A) It consumes less power
B) It can perform parallel processing on large datasets faster than a CPU
C) It has more storage capacity
D) It is cheaper than a CPU

Answer: B) It can perform parallel processing on large datasets faster than a CPU

Explanation: GPUs excel in machine learning due to their ability to handle thousands of threads simultaneously, making them ideal for parallel computations in training neural networks.

Question 9:
Which interface is commonly used to connect a GPU to the motherboard?
A) USB
B) HDMI
C) PCIe
D) SATA

Answer: C) PCIe

Explanation: PCIe (Peripheral Component Interconnect Express) is the standard interface for connecting GPUs to the motherboard, providing high-speed data transfer for graphics and compute tasks.

Question 10:
What does the term “TDP” refer to in the context of GPUs?
A) Total Data Processing
B) Thermal Design Power
C) Texture Data Pipeline
D) Transfer Data Protocol

Answer: B) Thermal Design Power

Explanation: TDP represents the maximum amount of heat a GPU is expected to generate under normal operation, helping users understand power consumption and cooling requirements.

Question 11:
Which of the following is a common GPU architecture developed by AMD?
A) Turing
B) RDNA
C) Ampere
D) Pascal

Answer: B) RDNA

Explanation: RDNA is AMD’s GPU architecture that focuses on improving gaming performance, ray tracing, and efficiency, used in their Radeon series.

Question 12:
How does a GPU differ from a CPU in terms of core design?
A) GPUs have fewer cores but higher clock speeds
B) CPUs have more cores optimized for parallel tasks
C) GPUs have many cores designed for parallel processing
D) CPUs are only for graphics

Answer: C) GPUs have many cores designed for parallel processing

Explanation: GPUs feature hundreds or thousands of smaller cores for handling simultaneous tasks, like rendering graphics, while CPUs have fewer, more powerful cores for general computing.

Question 13:
What is SLI in the context of NVIDIA GPUs?
A) A type of cooling system
B) A technology for linking multiple GPUs
C) A software for overclocking
D) A memory type

Answer: B) A technology for linking multiple GPUs

Explanation: SLI (Scalable Link Interface) allows multiple NVIDIA GPUs to work together to render graphics, improving performance in supported applications.

Question 14:
Which factor primarily affects a GPU’s performance in 4K gaming?
A) The number of fans
B) VRAM capacity and bandwidth
C) CPU speed
D) Monitor refresh rate

Answer: B) VRAM capacity and bandwidth

Explanation: Higher VRAM capacity and faster bandwidth enable the GPU to handle the large amounts of data required for rendering high-resolution textures and details in 4K gaming.

Question 15:
What role do Tensor Cores play in GPUs?
A) They accelerate AI and machine learning workloads
B) They handle ray tracing
C) They manage video output
D) They control power usage

Answer: A) They accelerate AI and machine learning workloads

Explanation: Tensor Cores are specialized hardware in NVIDIA GPUs that perform matrix operations at high speed, making them essential for training and inferencing in AI applications.

Question 16:
Which GPU feature helps reduce artifacts in anti-aliasing?
A) Overclocking
B) Multisample Anti-Aliasing (MSAA)
C) Dynamic Frequency Scaling
D) VRAM Compression

Answer: B) Multisample Anti-Aliasing (MSAA)

Explanation: MSAA is a technique used by GPUs to smooth out jagged edges in graphics by sampling multiple points per pixel, resulting in higher quality visuals.

Question 17:
What is the purpose of a GPU’s boost clock?
A) To limit the GPU’s maximum speed
B) To temporarily increase clock speed for better performance
C) To synchronize with the CPU
D) To reduce heat output

Answer: B) To temporarily increase clock speed for better performance

Explanation: The boost clock allows the GPU to dynamically increase its speed beyond the base clock when conditions like temperature permit, enhancing performance in demanding tasks.

Question 18:
In which year was the first GPU introduced?
A) 1995
B) 1981
C) 1999
D) 1971

Answer: C) 1999

Explanation: The first GPU, the NVIDIA GeForce 256, was released in 1999, marking it as the first processor dedicated solely to graphics acceleration.

Question 19:
What does a GPU benchmark tool like 3DMark measure?
A) GPU temperature and fan speed
B) Graphics and compute performance
C) Power consumption only
D) CPU-GPU compatibility

Answer: B) Graphics and compute performance

Explanation: Tools like 3DMark assess a GPU’s ability to handle graphical rendering and computational tasks, providing scores for comparison and optimization.

Question 20:
Which technology allows GPUs to handle both graphics and general-purpose computing?
A) DirectX
B) GPGPU
C) OpenGL
D) Vulkan

Answer: B) GPGPU

Explanation: GPGPU (General-Purpose computing on Graphics Processing Units) enables the use of a GPU for tasks beyond graphics, such as scientific simulations and data processing.