What is the primary function of a CPU in a computer system?
a) Memory storage
b) Graphics rendering
c) Data processing
d) Network communication
Answer: c) Data processing
Which of the following is a volatile memory type?
a) Hard disk
b) RAM
c) ROM
d) Flash memory
Answer: b) RAM
What does the term “BIOS” stand for in computer hardware?
a) Basic Input Output System
b) Binary Input Output System
c) Basic Integrated Operating System
d) Base Input Output Software
Answer: a) Basic Input Output System
What is the purpose of a GPU in a computer?
a) File storage
b) Centralized processing
c) Graphics rendering
d) Input/output operations
Answer: c) Graphics rendering
Which component is responsible for storing data permanently in a computer system?
a) RAM
b) CPU
c) Hard disk
d) Cache memory
Answer: c) Hard disk
What is the main function of a motherboard in a computer?
a) Power supply
b) Data storage
c) Communication with peripherals
d) Centralized processing
Answer: c) Communication with peripherals
Which of the following is a type of optical storage device?
a) USB flash drive
b) CD-ROM
c) SSD
d) RAM
Answer: b) CD-ROM
What does RAID stand for in the context of computer storage?
a) Random Access Integrated Drive
b) Redundant Array of Independent Disks
c) Rapid Access In-memory Device
d) Read-Only Advanced Interface Drive
Answer: b) Redundant Array of Independent Disks
What is the purpose of a power supply unit (PSU) in a computer?
a) Data processing
b) Voltage regulation
c) Network communication
d) Graphics rendering
Answer: b) Voltage regulation
Which component is responsible for managing communication between the CPU and other peripherals?
a) Motherboard
b) RAM
c) Hard disk
d) GPU
Answer: a) Motherboard
What type of connector is commonly used for external hard drives?
a) HDMI
b) USB
c) VGA
d) Ethernet
Answer: b) USB
Which technology is used for wireless communication between devices in close proximity?
a) Bluetooth
b) Wi-Fi
c) NFC
d) 4G
Answer: a) Bluetooth
What is the purpose of a heat sink in a computer system?
a) Data storage
b) Cooling the CPU
c) Power supply
d) Graphics rendering
Answer: b) Cooling the CPU
Which of the following is a removable storage device commonly used for backup purposes?
a) SSD
b) USB flash drive
c) Tape drive
d) CD-ROM
Answer: c) Tape drive
What does the term “LAN” stand for in computer networking?
a) Local Area Network
b) Long-range Access Network
c) Limited Access Node
d) Link Area Network
Answer: a) Local Area Network
What is the role of a network interface card (NIC) in a computer?
a) Data storage
b) Graphics rendering
c) Network communication
d) Power supply
Answer: c) Network communication
Which of the following is a primary function of an operating system?
a) Storing data
b) Managing hardware resources
c) Rendering graphics
d) Power supply regulation
Answer: b) Managing hardware resources
What is the purpose of a UPS (Uninterruptible Power Supply) in a computer setup?
a) Data processing
b) Cooling the CPU
c) Providing backup power
d) Managing network communication
Answer: c) Providing backup power
Which type of memory is used to store frequently accessed program instructions for quick retrieval?
a) Cache memory
b) RAM
c) Hard disk
d) ROM
Answer: a) Cache memory
What is the function of an expansion card in a computer?
a) Power supply regulation
b) Increasing storage capacity
c) Enhancing graphics performance
d) Managing network communication
Answer: c) Enhancing graphics performance
Which connector is commonly used to connect a monitor to a computer?
a) USB
b) HDMI
c) VGA
d) Ethernet
Answer: c) VGA
What is the purpose of a CMOS battery on a motherboard?
a) Cooling the CPU
b) Providing backup power
c) Storing BIOS settings
d) Managing network communication
Answer: c) Storing BIOS settings
Which storage technology uses magnetic platters for data storage?
a) SSD
b) HDD
c) CD-ROM
d) Flash memory
Answer: b) HDD
What is the function of a router in a computer network?
a) Managing power supply
b) Filtering network traffic
c) Enhancing graphics performance
d) Storing data permanently
Answer: b) Filtering network traffic
Which of the following is a characteristic of DDR4 in the context of computer memory?
a) Older generation
b) Non-volatile
c) Faster data transfer rates
d) Limited capacity
Answer: c) Faster data transfer rates
What is the purpose of a sound card in a computer system?
a) Managing power supply
b) Enhancing graphics performance
c) Providing audio output
d) Storing data permanently
Answer: c) Providing audio output
Which of the following is a type of input device?
a) Monitor
b) Printer
c) Keyboard
d) Speaker
Answer: c) Keyboard
What does the term “LAN” stand for in computer networking?
a) Local Area Network
b) Long-range Access Network
c) Limited Access Node
d) Link Area Network
Answer: a) Local Area Network
What is the purpose of a surge protector in a computer setup?
a) Managing power supply
b) Cooling the CPU
c) Protecting against voltage spikes
d) Enhancing graphics performance
Answer: c) Protecting against voltage spikes
Which type of display technology uses organic compounds to emit light?
a) LCD
b) LED
c) OLED
d) Plasma
Answer: c) OLED
What is the primary function of a UPS (Uninterruptible Power Supply) in a computer system?
a) Cooling the CPU
b) Providing backup power
c) Enhancing graphics performance
d) Managing network communication
Answer: b) Providing backup power
Which component is responsible for converting digital signals to analog signals for communication over telephone lines?
a) Modem
b) Router
c) Switch
d) Hub
Answer: a) Modem
What does the term “SSD” stand for in the context of computer storage?
a) Solid State Drive
b) Serial Storage Device
c) System Storage Disk
d) Sectorized Storage Drive
Answer: a) Solid State Drive
What is the purpose of a barcode scanner in a computerized retail system?
a) Managing power supply
b) Data processing
c) Scanning and inputting product information
d) Enhancing graphics performance
Answer: c) Scanning and inputting product information
In the context of computer graphics, what does GPU stand for?
a) Graphics Processing Unit
b) General Processing Unit
c) Graphical Performance Unit
d) General Purpose Unit
Answer: a) Graphics Processing Unit
What is the purpose of an Ethernet cable in a computer network?
a) Providing backup power
b) Enhancing graphics performance
c) Facilitating wired network communication
d) Storing data permanently
Answer: c) Facilitating wired network communication
Which port is commonly used for connecting external audio devices such as speakers or headphones?
a) USB
b) HDMI
c) Audio jack (3.5mm)
d) VGA
Answer: c) Audio jack (3.5mm)
What is the function of a graphics card in a computer system?
a) Cooling the CPU
b) Enhancing network communication
c) Processing graphical data for display
d) Managing power supply
Answer: c) Processing graphical data for display
Which type of printer uses a ribbon to transfer ink onto paper?
a) Laser printer
b) Dot matrix printer
c) Inkjet printer
d) Thermal printer
Answer: b) Dot matrix printer
What is the purpose of a firewall in a computer network?
a) Managing power supply
b) Enhancing graphics performance
c) Protecting against unauthorized access
d) Storing data permanently
Answer: c) Protecting against unauthorized access
Which type of memory is directly accessed by the CPU for storing temporary data during program execution?
a) Cache memory
b) RAM
c) Hard disk
d) ROM
Answer: a) Cache memory
What does the term “URL” stand for in the context of web browsing?
a) Uniform Resource Locator
b) Universal Resource Link
c) Unified Resource Locator
d) Unique Resource Link
Answer: a) Uniform Resource Locator
Which of the following is a common input device for gaming?
a) Scanner
b) Joystick
c) Printer
d) Webcam
Answer: b) Joystick
In computer networking, what does the term “WAN” stand for?
a) Wide Area Network
b) Wireless Access Node
c) Wired Area Node
d) Web Access Network
Answer: a) Wide Area Network
What is the purpose of a UPS (Uninterruptible Power Supply) in a computer setup?
a) Managing power supply
b) Cooling the CPU
c) Providing backup power
d) Enhancing graphics performance
Answer: c) Providing backup power
Which component is responsible for managing the boot process of a computer system?
a) CPU
b) BIOS
c) RAM
d) Hard disk
Answer: b) BIOS
What is the purpose of a CMOS battery on a motherboard?
a) Cooling the CPU
b) Providing backup power
c) Storing BIOS settings
d) Managing network communication
Answer: c) Storing BIOS settings
Which of the following is a type of pointing device commonly used with computers?
a) Scanner
b) Printer
c) Mouse
d) Webcam
Answer: c) Mouse
What is the purpose of a network switch in a computer network?
a) Managing power supply
b) Filtering network traffic
c) Enhancing graphics performance
d) Storing data permanently
Answer: b) Filtering network traffic
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