A) To power the CPU
B) To store the system’s BIOS settings
C) To cool the GPU
D) To enhance audio quality
Correct Answer: B) To store the system’s BIOS settings
Explanation: The CMOS battery powers the system’s BIOS settings, ensuring they are retained even when the computer is turned off.
A) DRAM
B) SRAM
C) Flash Memory
D) EEPROM
Correct Answer: B) SRAM
Explanation: SRAM (Static Random Access Memory) is used in cache memory for its high-speed data access and low latency, making it ideal for storing frequently used instructions and data.
A) To double the storage capacity
B) To increase GPU performance
C) To reduce power consumption
D) To improve data transfer rates between RAM and CPU
Correct Answer: D) To improve data transfer rates between RAM and CPU
Explanation: Dual-channel memory configuration allows data to be transferred between RAM and the CPU on two channels simultaneously, improving overall system performance.
A) Magnetic Tape
B) Solid State Drive
C) Optical Disc
D) Hard Disk Drive
Correct Answer: C) Optical Disc
Explanation: Optical discs, such as CDs, DVDs, and Blu-rays, use lasers to read and write data on the disc surface.
A) Wear leveling
B) Overclocking
C) Defragmentation
D) RAID
Correct Answer: A) Wear leveling
Explanation: Wear leveling is a technique used in SSDs to distribute write and erase cycles evenly across the memory cells, extending the lifespan and maintaining performance.
A) PCIe Slot
B) Standoffs
C) Retention Bracket
D) Northbridge Chip
Correct Answer: C) Retention Bracket
Explanation: Retention brackets are used to secure expansion cards, such as graphics cards, in place on the motherboard, preventing them from moving or becoming loose.
A) Increased power efficiency
B) Customizable cable management
C) Faster data transfer rates
D) Improved cooling performance
Correct Answer: B) Customizable cable management
Explanation: A modular power supply allows users to attach only the necessary cables, reducing clutter and improving airflow within the computer case.
A) HDMI
B) DVI
C) VGA
D) Serial
Correct Answer: A) HDMI
Explanation: HDMI (High-Definition Multimedia Interface) ports are used to connect high-definition digital video and audio devices, such as monitors and TVs.
A) KVM Switch
B) USB Hub
C) Router
D) Graphics Card
Correct Answer: A) KVM Switch
Explanation: A KVM switch (Keyboard, Video, Mouse) allows multiple computers to be connected to a single display, keyboard, and mouse, enabling control of several systems from one set of peripherals.
A) Defragmentation
B) Encryption
C) Disk Compression
D) Wear Leveling
Correct Answer: B) Encryption
Explanation: Encryption is commonly used to protect data stored on SSDs by converting it into a code that can only be accessed by authorized users, ensuring data security.
A) RAID 0
B) RAID 1
C) RAID 5
D) RAID 10
Correct Answer: D) RAID 10
Explanation: RAID 10 combines the features of RAID 0 and RAID 1, allowing data to be read and written simultaneously across multiple drives, providing both speed and redundancy.
A) USB
B) HDMI
C) Ethernet
D) VGA
Correct Answer: A) USB
Explanation: USB ports are commonly used to connect external hard drives to computers, providing high-speed data transfer and easy connectivity.
A) UPS
B) Surge Protector
C) Voltage Regulator
D) Grounding Strap
Correct Answer: B) Surge Protector
Explanation: A surge protector safeguards a computer’s power supply from voltage spikes and surges, preventing potential damage to the internal components.
A) DIMM
B) SIMM
C) SODIMM
D) RIMM
Correct Answer: C) SODIMM
Explanation: SODIMM (Small Outline Dual In-line Memory Module) is a compact memory module used in laptops, providing the same functionality as DIMM but in a smaller form factor.
A) CMOS Battery
B) PSU
C) Northbridge
D) Southbridge
Correct Answer: A) CMOS Battery
Explanation: The CMOS battery provides power to the BIOS firmware and real-time clock, ensuring that settings and time are maintained even when the computer is powered off.
A) Hyper-Threading
B) Multiprocessing
C) Virtualization
D) Clustering
Correct Answer: C) Virtualization
Explanation: Virtualization technology allows multiple physical CPUs to be combined into a single virtual processor, enabling more efficient use of computing resources in virtual machines.
A) SATA
B) IDE
C) PCIe
D) M.2
Correct Answer: B) IDE
Explanation: IDE (Integrated Drive Electronics) is an older interface used for connecting hard drives and optical drives to a motherboard, replaced by SATA in modern systems.
A) Southbridge
B) Northbridge
C) VRM
D) PSU
Correct Answer: B) Northbridge
Explanation: The Northbridge chip on a motherboard manages data flow between the CPU, memory, and high-speed peripherals, ensuring efficient communication within the system.
A) Air Cooling
B) Liquid Cooling
C) Passive Cooling
D) Thermoelectric Cooling
Correct Answer: B) Liquid Cooling
Explanation: Liquid cooling systems use a liquid coolant to dissipate heat from the CPU or GPU, providing more efficient cooling compared to traditional air cooling systems.
A) ECC Memory
B) RAID
C) SMART
D) Wear Leveling
Correct Answer: C) SMART
Explanation: SMART (Self-Monitoring, Analysis, and Reporting Technology) is used to detect and correct errors on a hard drive, helping to prevent data loss and prolong the drive’s lifespan.
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