141. What is the primary purpose of a chipset on a motherboard?
- a) Facilitates communication between CPU and peripherals
- b) Stores the operating system
- c) Provides power to all components
- d) Acts as a graphics processor
Answer: A - The chipset manages data flow between the processor, memory, and I/O devices.
142. Which of these is a characteristic of M.2 SSDs?
- a) Compact form factor with direct motherboard connection
- b) Requires external power supply
- c) Slower than traditional SATA SSDs
- d) Uses IDE interface
Answer: A - M.2 SSDs are small, connect directly to the motherboard, and support NVMe for high speeds.
143. What is the function of the Windows System Restore feature?
- a) Reverts system files and settings to a previous state
- b) Creates full disk backups
- c) Optimizes network performance
- d) Updates device drivers automatically
Answer: A - System Restore uses restore points to undo system changes without affecting personal files.
144. Which component is responsible for managing interrupts in a computer system?
- a) Programmable Interrupt Controller (PIC)
- b) GPU
- c) Hard drive
- d) Power supply
Answer: A - The PIC handles interrupt requests from hardware devices to the CPU.
145. What does RAID 1 provide in a storage configuration?
- a) Disk mirroring for redundancy
- b) Increased storage capacity
- c) Faster data access than single drives
- d) Automatic cloud backups
Answer: A - RAID 1 duplicates data across two drives for fault tolerance.
146. Which of these is a characteristic of a multi-threaded CPU core?
- a) Can execute multiple instruction streams simultaneously
- b) Has higher clock speeds than single-threaded cores
- c) Requires less cache memory
- d) Cannot benefit from hyperthreading
Answer: A - Multi-threading allows a core to handle multiple threads via techniques like hyperthreading.
147. What is the purpose of a chassis intrusion detection feature?
- a) Alerts when the computer case is opened
- b) Prevents overheating
- c) Blocks unauthorized network access
- d) Encrypts stored data
Answer: A - This security feature logs/triggers alerts if the physical case is tampered with.
148. Which of these is a characteristic of ECC memory?
- a) Detects and corrects single-bit memory errors
- b) Faster than non-ECC memory
- c) Used primarily in gaming PCs
- d) Less reliable than standard RAM
Answer: A - Error-Correcting Code (ECC) memory is critical for servers/workstations where data integrity is essential.
149. What is the function of a Trusted Platform Module (TPM)?
- a) Provides hardware-based security for encryption keys
- b) Boosts gaming performance
- c) Manages RGB lighting
- d) Acts as a secondary CPU
Answer: A - TPM chips securely store cryptographic keys for features like BitLocker encryption.
150. Which protocol is used for secure file transfer over a network?
- a) SFTP
- b) HTTP
- c) SMTP
- d) DHCP
Answer: A - SFTP (SSH File Transfer Protocol) encrypts data during transfer.
151. What is the purpose of a liquid cooling system in computers?
- a) More efficient heat dissipation than air cooling
- b) Stores backup power
- c) Reduces electromagnetic interference
- d) Provides wireless charging
Answer: A - Liquid cooling uses coolant to transfer heat away from components more effectively than heatsinks.
152. Which of these is a characteristic of a dual-channel memory configuration?
- a) Increases memory bandwidth by using two identical RAM sticks
- b) Requires three RAM modules
- c) Only works with ECC memory
- d) Reduces total available memory
Answer: A - Dual-channel mode doubles communication bandwidth between memory and memory controller.
153. What does the term "hot-swappable" refer to in hardware?
- a) Components can be replaced without powering down
- b) Parts that overheat frequently
- c) Devices that charge quickly
- d) Wireless connectivity features
Answer: A - Hot-swappable devices (e.g., USB drives, some HDDs) can be connected/disconnected while running.
154. Which component is responsible for managing virtual memory in Windows?
- a) Memory Management Unit (MMU)
- b) GPU
- c) Sound card
- d) Network interface card
Answer: A - The MMU handles page file operations that extend physical RAM to disk space.
155. What is the purpose of a UPS (Uninterruptible Power Supply)?
- a) Provides temporary power during outages
- b) Increases internet speed
- c) Cools the CPU
- d) Manages virtual machines
Answer: A - A UPS prevents sudden shutdowns and allows safe system power-down during blackouts.
156. Which of these is a characteristic of a solid-state hybrid drive (SSHD)?
- a) Combines SSD caching with HDD storage
- b) Faster than NVMe SSDs
- c) More expensive than traditional HDDs
- d) Doesn't require power
Answer: A - SSHDs use a small SSD cache to speed up frequently accessed files while offering HDD capacity.
157. What is the function of a QR code in computing?
- a) Stores information in a machine-readable format
- b) Encrypts sensitive data
- c) Boosts wireless signals
- d) Acts as a security firewall
Answer: A - QR codes can store URLs, text, or other data for quick scanning.
158. Which of these is a characteristic of cloud computing?
- a) On-demand resource availability
- b) Requires physical hardware ownership
- c) Limited to local networks
- d) Higher upfront costs than traditional IT
Answer: A - Cloud services provide scalable resources with pay-as-you-go models.
159. What is the function of a transistor in a CPU?
- a) Acts as a switch/amplifier for electronic signals
- b) Stores permanent data
- c) Converts sound to digital signals
- d) Powers the motherboard
Answer: A - Transistors form logic gates (millions/billions in modern CPUs).
160. Which of these is a feature of IPv6 compared to IPv4?
- a) Larger address space
- b) Shorter addresses
- c) Less secure
- d) No support for multicast
Answer: A - IPv6 uses 128-bit addresses (3.4×10³⁸ addresses) vs. IPv4's 32-bit.