Correct Answer: A) 6 Gbps
Explanation: SATA III supports a theoretical maximum data transfer speed of 6 gigabits per second (Gbps), making it faster than its predecessors.
A) RAM
B) HDD/SSD
C) CPU
D) GPU
Correct Answer: B) HDD/SSD
Explanation: Secondary storage like HDDs (Hard Disk Drives) and SSDs (Solid State Drives) are used for storing operating systems, software, and data permanently, unlike RAM, which is temporary.
A) 6 Gbps
B) 3 Gbps
C) 10 Gbps
D) 5 Gbps
Correct Answer: A) 6 Gbps
Explanation: SATA III supports a theoretical maximum data transfer speed of 6 gigabits per second (Gbps), making it faster than its predecessors.
A) HDD
B) Optical Drive
C) SSD
D) USB Flash Drive
Correct Answer: C) SSD
Explanation: Solid State Drives (SSDs) have no moving parts, allowing them to access data significantly faster than traditional HDDs or optical drives.
A) RAM
B) ROM
C) Cache
D) VRAM
Correct Answer: C) Cache
Explanation: Cache memory is built directly into the CPU or located very close to it, providing fast access to frequently used data and instructions.
A) To increase memory speed
B) To reduce energy consumption
C) To enhance compatibility
D) To store data permanently
Correct Answer: A) To increase memory speed
Explanation: Dual-channel architecture doubles the data transfer rate by accessing two memory modules simultaneously, enhancing performance.
A) Fusion Drive
B) RAM
C) GPU
D) NAS
Correct Answer: A) Fusion Drive
Explanation: Hybrid drives like Apple’s Fusion Drive combine the speed of SSDs with the larger capacity of HDDs to optimize storage performance.
A) Indicates the storage capacity
B) Measures data transfer speed
C) Predicts reliability over time
D) Determines power efficiency
Correct Answer: C) Predicts reliability over time
Explanation: MTBF (Mean Time Between Failures) estimates the reliability of a device by predicting the average time it will operate before failing.
A) SSD
B) HDD
C) Optical Drive
D) Flash Memory
Correct Answer: D) Flash Memory
Explanation: Flash memory is compact, durable, and fast, making it the ideal storage choice for portable devices like smartphones and tablets.
A) SATA
B) RAID
C) NVMe
D) USB
Correct Answer: A) SATA
Explanation: SATA interfaces support hot-swapping, allowing drives to be added or removed without shutting down the system.
A) Connect external peripherals
B) Attach high-speed SSDs
C) Provide power to components
D) Install GPUs
Correct Answer: B) Attach high-speed SSDs
Explanation: M.2 slots support high-speed storage devices like NVMe SSDs, offering compact and efficient solutions for modern systems.
A) Optical Drive
B) Graphics Tablet
C) Keyboard
D) Barcode Scanner
Correct Answer: B) Graphics Tablet
Explanation: Graphics tablets allow users to input handwritten or drawn content into a computer by digitizing their input.
A) OLED
B) Plasma
C) CRT
D) TN
Correct Answer: D) TN
Explanation: Twisted Nematic (TN) panels are known for their fast refresh rates and low response times, making them suitable for gaming.
A) Mouse
B) VR Controller
C) Keyboard
D) Joystick
Correct Answer: B) VR Controller
Explanation: VR controllers are designed to interact with virtual environments, allowing users to navigate and interact within VR systems.
A) USB
B) HDMI
C) PS/2
D) Ethernet
Correct Answer: A) USB
Explanation: Modern keyboards typically connect via USB ports for fast and reliable communication with the computer.
A) RFID Reader
B) Optical Drive
C) Barcode Scanner
D) Web Camera
Correct Answer: C) Barcode Scanner
Explanation: Barcode scanners read the unique codes printed on products to facilitate inventory management and transactions.
A) Enhance audio output
B) Expand connectivity for laptops
C) Store backup data
D) Improve cooling
Correct Answer: B) Expand connectivity for laptops
Explanation: Docking stations add additional ports and functionalities to laptops, such as USB, Ethernet, and video output.
A) Monitor
B) Printer
C) Projector
D) Speaker
Correct Answer: B) Printer
Explanation: Printers create physical copies (hard copies) of digital files like documents and images.
A) USB
B) HDMI
C) Ethernet
D) VGA
Correct Answer: A) USB
Explanation: USB is the standard interface for connecting printers to computers due to its widespread compatibility and ease of use.
A) Microphone
B) Webcam
C) Joystick
D) Headphone
Correct Answer: A) Microphone
Explanation: Microphones capture audio input, making them suitable for voice commands, recording, and communication.
A) LED
B) LCD
C) OLED
D) Plasma
Correct Answer: B) LCD
Explanation: Liquid Crystal Display (LCD) technology uses liquid crystals and backlighting to produce visual output in monitors and TVs.
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