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GK One-Line Question & Answer

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Computer Fundamentals → Introduction to Computer 36

Steganography hides data?
Within innocent-looking carrier files (images, audio) invisibly
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Air-gapped computer is?
Computer isolated from all networks for maximum security
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Which attack inserts malicious code into otherwise legitimate web pages?
Cross-site scripting (XSS)
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Content Security Policy (CSP) header prevents?
XSS by specifying allowed content sources for the browser
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Which component is called the 'heart' of the computer?
Motherboard
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What does BIOS stand for?
Basic Input Output System
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DVI connector supports?
Digital (DVI-D), Analog (DVI-A), or Both (DVI-I)
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Which storage has the fastest read/write speed?
NVMe SSD
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CMOS battery on motherboard?
Maintains BIOS settings and real-time clock when PC is off
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POST stands for?
Power On Self Test
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Which expansion slot is used for graphics cards?
PCIe x16
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What is the purpose of a heatsink?
Dissipate heat from CPU/GPU to prevent thermal throttling
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TIM (Thermal Interface Material) is applied?
Between CPU/GPU die and heatsink to improve thermal contact
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USB stands for?
Universal Serial Bus
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USB 3.0 is identified by?
Blue color connector
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The function of a power supply unit (PSU) is?
Convert AC mains power to regulated DC voltages for computer components
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Which wattage PSU is recommended for high-end gaming PC?
650W-850W
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Form factor of a standard desktop motherboard is?
ATX
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What does the SATA connector connect?
Storage devices (HDD/SSD) to motherboard
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M.2 slot supports which storage protocols?
Both SATA and NVMe (PCIe)
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Fan header PWM vs DC?
PWM allows precise speed control by pulse width modulation; DC varies voltage
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What is overclocking?
Running CPU/GPU/RAM above manufacturer's rated specifications for extra performance
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CPU Core i7-11700K 'K' suffix means?
Unlocked multiplier — available for overclocking
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AMD Ryzen CPU 'X' suffix (e.g., 5600X) means?
Higher performance bin with XFR (Extended Frequency Range) support
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CPU socket AM5 supports which memory type?
DDR5 only
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Which company manufactures Ryzen processors?
AMD (Advanced Micro Devices)
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Intel Alder Lake (12th gen) introduced?
Hybrid performance (P-cores) and efficiency (E-cores) architecture
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Which Intel socket is used for 12th/13th generation processors?
LGA 1700
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PCIe 4.0 doubles bandwidth of PCIe 3.0 — per lane bandwidth of PCIe 4.0 is?
2 GB/s
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What is the purpose of a UPS (Uninterruptible Power Supply)?
Provide temporary battery backup during power outages to prevent data loss
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Surge protector vs UPS?
Surge protector only protects against voltage spikes; UPS also provides battery backup
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Which cable type is used for data transfer in high-end storage?
Thunderbolt 4
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RAID 0 is called?
Striping
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Hot-swap in servers refers to?
Replacing components (drives, PSUs) while system is running without power-off
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Redundant PSU in servers?
Second PSU takes over automatically if primary fails (N+1 redundancy)
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IPMI (Intelligent Platform Management Interface) provides?
Out-of-band server management independent of OS state
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Computer Fundamentals → Output Devices 1

Which port connects a monitor using analog signal?
VGA (D-Sub)
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Computer Fundamentals → Memory Units 3

Which RAM type is used in modern desktop computers?
DDR4 / DDR5
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ECC RAM is primarily used in?
Servers and workstations requiring high data integrity
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NVMe SSD vs SATA SSD: main advantage of NVMe?
Much higher sequential read/write speeds using PCIe instead of SATA
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