181. What is the purpose of a chassis fan in a computer?
- a) Improves airflow and cooling
- b) Stores temporary data
- c) Boosts Wi-Fi signals
- d) Converts AC to DC power
Answer: A - Chassis fans maintain proper airflow to prevent component overheating.
182. Which of these is a characteristic of a monolithic kernel?
- a) All OS services run in kernel space
- b) More secure than microkernels
- c) Easier to debug than microkernels
- d) Used only in mobile devices
Answer: A - Monolithic kernels (e.g., Linux) integrate all functions into a single executable.
183. What is the function of the Windows Resource Monitor?
- a) Provides real-time system resource usage data
- b) Creates system restore points
- c) Manages installed applications
- d) Optimizes SSD performance
Answer: A - Resource Monitor shows detailed CPU, memory, disk, and network activity.
184. Which component is responsible for hardware-accelerated AI tasks in modern systems?
- a) Tensor cores in GPUs
- b) CPU cache
- c) BIOS chip
- d) Power supply
Answer: A - Tensor cores (in NVIDIA GPUs) accelerate machine learning workloads.
185. What does RAID 10 provide in a storage configuration?
- a) Mirroring of striped arrays for performance and redundancy
- b) No fault tolerance
- c) Single parity drive
- d) Cloud backup integration
Answer: A - RAID 10 combines mirroring and striping for speed and reliability.
186. Which of these is a characteristic of a heterogeneous processor?
- a) Combines different core types (e.g., performance + efficiency cores)
- b) Only supports 32-bit applications
- c) Cannot run modern operating systems
- d) Uses only SRAM for cache
Answer: A - Heterogeneous designs (e.g., ARM big.LITTLE, Intel Alder Lake) optimize power/performance.
187. What is the purpose of a loopback plug in networking?
- a) Tests network ports by creating a closed circuit
- b) Extends Wi-Fi range
- c) Measures internet speed
- d) Encrypts network traffic
Answer: A - Loopback plugs verify port functionality by redirecting outgoing signals back in.
188. Which of these is a characteristic of GDDR memory?
- a) Optimized for high-bandwidth graphics applications
- b) Lower bandwidth than DDR
- c) Used primarily for system RAM
- d) Not used in modern GPUs
Answer: A - GDDR (Graphics DDR) is designed for GPU workloads with wide buses.
189. What is the function of a hardware security module (HSM)?
- a) Safeguards cryptographic keys in tamper-resistant hardware
- b) Increases gaming FPS
- c) Manages RGB lighting
- d) Acts as a secondary CPU
Answer: A - HSMs provide secure key storage for encryption/decryption operations.
190. Which protocol is used for remote desktop access?
- a) RDP (Remote Desktop Protocol)
- b) HTTP
- c) SMTP
- d) DHCP
Answer: A - RDP allows graphical control of remote Windows systems.
191. What is the purpose of a docking station for laptops?
- a) Expands connectivity options with additional ports
- b) Increases battery capacity
- c) Replaces the need for a power adapter
- d) Acts as a cooling pad
Answer: A - Docking stations provide desktop-like connectivity (monitors, peripherals).
192. Which of these is a characteristic of Optane memory?
- a) Low-latency cache between RAM and storage
- b) Slower than traditional SSDs
- c) Used only in AMD systems
- d) Replaces system RAM entirely
Answer: A - Intel Optane uses 3D XPoint technology to accelerate storage performance.
193. What does the term "JEDEC" refer to in memory standards?
- a) Organization that defines RAM specifications
- b) A type of CPU socket
- c) Power supply certification
- d) Wireless networking protocol
Answer: A - JEDEC sets standards for DDR memory timings and voltages.
194. Which component is responsible for managing hardware interrupts in a CPU?
- a) Interrupt controller
- b) Floating-point unit
- c) Graphics processor
- d) Network interface
Answer: A - The interrupt controller prioritizes and routes hardware signals to the CPU.
195. What is the purpose of a PXE boot?
- a) Network booting for diskless workstations
- b) Overclocking the CPU
- c) Resetting BIOS settings
- d) Testing RAM stability
Answer: A - PXE (Preboot eXecution Environment) loads OS images from a network server.
196. Which of these is a characteristic of edge computing?
- a) Processes data closer to its source
- b) Requires all data to be sent to the cloud
- c) Increases latency compared to cloud-only solutions
- d) Uses only centralized servers
Answer: A - Edge computing reduces latency by processing data locally (e.g., IoT devices).
197. What is the function of a transistor in modern CPUs?
- a) Acts as a microscopic switch for binary operations
- b) Stores permanent data
- c) Converts analog audio signals
- d) Powers USB ports
Answer: A - Modern CPUs contain billions of transistors forming logic gates.
198. Which of these is a feature of USB4?
- a) Combines Thunderbolt 3 and USB protocols
- b) Slower than USB 3.2
- c) Uses proprietary connectors
- d) Maximum speed of 10Gbps
Answer: A - USB4 supports 40Gbps speeds and is backward compatible.
199. What is the purpose of a QR code in device setup?
- a) Quickly transfers configuration details
- b) Encrypts network traffic
- c) Replaces BIOS firmware
- d) Measures component temperatures
Answer: A - QR codes can store Wi-Fi credentials or device pairing information.
200. Which of these completes the fundamental computing trio of input, output, and ___?
- a) Processing
- b) Storage
- c) Networking
- d) Cooling
Answer: A - Input devices send data to the CPU (processing), which generates output.