Correct Answer: D) Voltage Regulator Module
Explanation: The Voltage Regulator Module (VRM) ensures a steady voltage supply to sensitive components like the CPU and GPU.
A) Load and run the operating system
B) Store user data permanently
C) Provide power to components
D) Control network communication
Correct Answer: A) Load and run the operating system
Explanation: The BIOS initializes hardware and loads the operating system during the boot process.
A) Power Supply Unit
B) CPU
C) Heat sink
D) Voltage Regulator Module
Correct Answer: D) Voltage Regulator Module
Explanation: The Voltage Regulator Module (VRM) ensures a steady voltage supply to sensitive components like the CPU and GPU.
A) Manage sound output
B) Facilitate network connectivity
C) Control display settings
D) Provide power to components
Correct Answer: B) Facilitate network connectivity
Explanation: A network interface card (NIC) enables a computer to connect to a network, either wired or wireless.
A) Ethernet Card
B) Bluetooth Adapter
C) Hard Drive
D) GPU
Correct Answer: B) Bluetooth Adapter
Explanation: A Bluetooth adapter facilitates wireless communication with other Bluetooth-enabled devices.
A) Motherboard
B) PSU
C) RAM
D) CPU
Correct Answer: B) PSU
Explanation: The power supply unit (PSU) is responsible for providing power to all components; issues here can prevent booting.
A) SSD
B) HDD
C) USB Flash Drive
D) Optical Drive
Correct Answer: D) Optical Drive
Explanation: An optical drive reads and writes data on CDs, DVDs, or Blu-ray discs.
A) RAM
B) SSD
C) HDD
D) Flash Drive
Correct Answer: C) HDD
Explanation: Hard Disk Drives (HDDs) use magnetic platters to store data.
A) Similar
B) 2-3 times faster
C) 10-30 times faster
D) 50-100 times faster
Correct Answer: C) 10-30 times faster
Explanation: NVMe SSDs are significantly faster than HDDs, achieving data transfer rates up to 30 times higher.
A) Increased speed and capacity
B) Lower energy efficiency
C) Higher latency
D) Reduced compatibility
Correct Answer: A) Increased speed and capacity
Explanation: DDR4 RAM offers higher speeds, larger capacities, and improved energy efficiency compared to DDR3.
A) SSD
B) RAM
C) ROM
D) Hard Drive
Correct Answer: B) RAM
Explanation: RAM is volatile memory, which means data is lost when the computer is turned off.
A) DDR4 RAM
B) Flash Memory
C) ROM
D) GDDR RAM
Correct Answer: D) GDDR RAM
Explanation: Graphics Double Data Rate (GDDR) RAM is designed specifically for graphics rendering in GPUs.
A) HDD
B) SSD
C) NVMe
D) Flash Drive
Correct Answer: A) HDD
Explanation: HDDs use spinning magnetic platters to store data.
A) RAM
B) ROM
C) Cache
D) Hard Drive
Correct Answer: B) ROM
Explanation: ROM retains data permanently and does not lose it when the computer is turned off.
A) CPU
B) RAM
C) SSD
D) Cache Memory
Correct Answer: D) Cache Memory
Explanation: Cache memory temporarily stores frequently accessed data to speed up processing.
A) Store temporary data for processing
B) Provide power to peripherals
C) Enable wireless connectivity
D) Store permanent data
Correct Answer: A) Store temporary data for processing
Explanation: Memory modules like RAM temporarily store data that the CPU needs for processing tasks.
A) DDR3
B) DDR4
C) DDR2
D) SDRAM
Correct Answer: B) DDR4
Explanation: DDR4 RAM is widely used in modern computers due to its high speed and efficiency.
A) Increase speed
B) Reduce energy consumption
C) Detect and correct memory errors
D) Enhance graphics performance
Correct Answer: C) Detect and correct memory errors
Explanation: Error-Correcting Code (ECC) RAM can detect and correct memory errors, improving reliability in critical systems.
A) Data transfer rate
B) Energy consumption
C) Size of the drive
D) Rotational speed of platters
Correct Answer: D) Rotational speed of platters
Explanation: RPM (Revolutions Per Minute) measures how fast the platters in an HDD spin, affecting data access speed.
A) SATA
B) PCIe
C) IDE
D) USB
Correct Answer: B) PCIe
Explanation: PCIe is the preferred interface for modern SSDs, offering significantly higher speeds than SATA.
A) Manage power supply to memory modules
B) Provide graphical rendering support
C) Handle communication between CPU and memory
D) Control network traffic
Correct Answer: C) Handle communication between CPU and memory
Explanation: The memory controller facilitates efficient communication between the CPU and RAM.
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