What is the purpose of having USB ports on the external part of a computer?
To connect external devices like flash drives, keyboards, or printers to the computer.
Which component connects all the internal parts and allows communication between them?
Motherboard
Why is proper airflow important inside a computer case?
To prevent overheating and maintain system performance.
Name two types of secondary memory.
HDD (Hard Disk Drive), SSD (Solid-State Drive)
What is the main role of the CPU in a computer system?
To process instructions and perform calculations.
What port is commonly used to connect modern monitors to a computer?
HDMI, DisplayPort, or USB-C
What is the function of the power supply unit (PSU)?
To convert AC power to DC and distribute it to internal components
Who are the two main manufacturers of CPUs for personal computers?
Intel and AMD
What is the difference between intake and exhaust fans?
Intake fans bring cool air in; exhaust fans expel hot air out.
What is the main job of a GPU?
To render graphics, images, and video for display.
What external device is used to connect to the internet wirelessly?
Wi-Fi adapter
Which internal part has largely replaced the traditional BIOS system in modern PCs?
UEFI (Unified Extensible Firmware Interface)
Name two major manufacturers of video cards.
NVIDIA and AMD
What unit is used to measure monitor resolution?
Pixels (e.g., 1920x1080)
What makes SSDs faster than HDDs?
SSDs have no moving parts and use flash memory for quick data access.
How does a scanner convert physical documents into digital data?
It uses light sensors to capture an image of the document and convert it into digital format.
What internal component stores the system clock and BIOS settings even when the power is off?
CMOS Battery
What is a multi-core processor?
A CPU with multiple processing units (cores) that can handle tasks simultaneously.
What does "clock speed" refer to in a CPU?
The number of cycles the CPU can execute per second (measured in GHz).
What is secondary memory used for?
Long-term storage of data, files, and programs.
How does an external hard drive differ from a USB flash drive?
External hard drives offer larger storage capacity and are better for backups, while USB flash drives are smaller, portable, and more convenient for quick transfers.
Who is known as the "Mother of the Motherboard" for her key role in designing the architecture of the original IBM PC?
Patty McHugh
How is a dedicated GPU different from integrated graphics?
A dedicated GPU is a separate component with its own memory, while integrated graphics are built into the CPU.
What was the name of the first electronic general-purpose computer?
ENIAC (Electronic Numerical Integrator and Computer).
What is the difference between system software and application software?
System software runs the computer (like an operating system), while application software is used for tasks (like MS Word or games).