Computer Hardware Quiz & Flashcards

The CPU (Central Processing Unit) executes instructions, whereas the GPU handles graphics, RAM stores data temporarily, and HDD is for storage.

SSDs offer faster data access due to the absence of moving parts, unlike HDDs which have spinning disks.

RAM stands for Random Access Memory and is used for temporary data storage while the computer is running.

The motherboard interconnects all components, providing the necessary communication pathways.

The GPU accelerates graphics and video rendering, which benefits more than just gaming, including video editing and design applications.

A heat sink dissipates heat away from components, reducing the risk of overheating and maintaining optimal performance.

The PSU converts AC power from the outlet to DC power used by computer components.

SSD is a storage device, while RAM, Cache, and BIOS are types of memory used for different purposes in computing.

Thermal paste enhances heat transfer between the CPU and the heat sink, ensuring efficient cooling.

A network interface card (NIC) enables a computer to connect and communicate over a network.

Integrated graphics are built into the CPU and share system memory; dedicated graphics have their own memory and processing power.

RAID enhances data redundancy and performance by distributing data across multiple drives.

BIOS initializes and tests hardware components during the boot-up process, before handing control to the operating system.

ROM is non-volatile memory that retains data even when the computer is powered off, unlike RAM, Cache, and Registers which are volatile.

Overclocking involves increasing the CPU's clock speed beyond its base specification for improved performance.

The GPU (Graphics Processing Unit) is responsible for rendering images and video, accelerating graphics tasks.

A UPS provides backup power during outages, preventing data loss and hardware damage from sudden shutdowns.

Expansion slots allow additional cards, such as graphics or network cards, to be installed, enhancing functionality.

RAM (Random Access Memory) is used for temporary storage while the computer is running, unlike ROM, SSD, and HDD which are for permanent storage.

Cooling fans dissipate heat generated by components, preventing overheating and ensuring stable operation.

Optical drives read and write data on optical discs such as CDs, DVDs, and Blu-rays, providing removable data storage.

A network interface card (NIC) is critical for connecting a computer to a network, enabling communication.

A docking station connects laptops to additional peripherals and external displays, expanding connectivity options.

Cache memory stores frequently accessed data closer to the CPU, reducing access time and speeding up processing tasks.

A sound card processes audio data, enhancing playback quality through speakers or headphones.

SSDs use flash memory for data storage, offering faster read/write speeds compared to HDDs, CDs, and floppy disks.

ECC RAM provides error correction, ensuring data integrity and higher reliability, especially in server environments.

Mechanical keyboards have individual switches beneath each key, providing tactile feedback and durability, unlike membrane keyboards.

The operating system manages hardware resources, providing an interface for applications and ensuring efficient operation.

A keyboard is an input device used to enter data into a computer, unlike monitors and printers which are output devices.

Form factor determines the size and layout of components, affecting compatibility and space utilization within a computer case.

A diode allows current to flow in one direction only, protecting circuits from reverse voltage.

Liquid cooling circulates coolant through a closed loop to absorb and dissipate heat from components, providing efficient cooling.

A resistor limits the flow of electric current, protecting components from excessive current.

SSDs are known for high durability and speed due to the absence of moving parts, unlike HDDs, CDs, and floppy disks.

Virtualization allows multiple operating systems to run on a single machine, requiring more powerful hardware to handle increased load.

A POST card displays diagnostic codes during the Power-On Self-Test, helping identify hardware issues.

A USB hub is used to increase the number of USB ports available on a computer, allowing more devices to connect.

A common misconception is that SSDs are slower, but they are actually faster due to their lack of moving parts compared to HDDs.

A KVM switch allows one keyboard, video monitor, and mouse to control multiple computers, improving workspace efficiency.

A computer bus transfers data between components, facilitating communication and data exchange within the system.

A surge protector safeguards devices by diverting excess voltage from power surges, preventing damage.

The GPU (Graphics Processing Unit) is crucial for rendering high-quality graphics in applications and games.

A multiplexer combines multiple input signals into a single output line, optimizing data transmission.

A firewall filters incoming and outgoing network traffic, protecting a computer or network from unauthorized access.

NVMe SSDs offer faster data transfer speeds by using the PCIe interface, improving storage performance significantly.

The motherboard connects components and provides communication pathways but does not store data.

A computer case houses and protects internal components, providing structure and cooling.

Power management features conserve energy by adjusting performance, extending battery life and reducing heat output.

A barcode reader scans barcodes and converts them into data for inventory and tracking systems.

Plug and play components are automatically recognized and configured by the operating system, simplifying installation.

A sound card processes audio data, converting it to signals for speakers or headphones, enhancing audio playback.