Bellwork Module 2 intro to computers

What is the main function of hardware in a computer system?

• a) To store and process data
• b) To provide instructions to software
• c) To connect to external devices
• d) To control the overall system operation

Input devices: How does an optical mouse track movement?

• a) By using a light source and a sensor
• b) By using a trackball that the user rolls
• c) By using resistive touch technology
• d) By using capacitive touch technology

Which type of input device uses x,y-coordinates to track movement?

• a) Keyboard
• b) Mouse
• c) Touchscreen
• d) Printer

What is the main function of the central processing unit (CPU)?

• a) To store processed information
• b) To analyze and interpret input
• c) To provide quick access to data
• d) To display output on the screen

What is the purpose of random-access memory (RAM)?

• a) To process data according to a set of instructions
• b) To store processed information for quick access
• c) To analyze and interpret input from input devices
• d) To provide permanent storage for data and programs

What is the main function of a computer power supply?

• a) Converts direct current (DC) to alternating current (AC)
• b) Provides cooling for the computer's internal components
• c) Supplies power to various hardware components
• d) Regulates the voltage and current of the wall outlet

Why is it important to choose an appropriate power supply for your computer?

• a) It determines the speed and performance of the computer
• b) It ensures proper cooling of the computer's components
• c) It reduces the electricity consumption of the computer
• d) Insufficient power supply can cause instability or damage to the hardware

What is the function of the CPU in a computer?

• a) Provides power to other hardware components
• b) Stores data and instructions for the computer
• c) Executes instructions and performs calculations
• d) Manages input/output operations

What is the advantage of having multiple cores in a CPU?

• a) Better power efficiency
• b) Faster clock speed
• c) Improved multitasking and parallel processing
• d) Higher cache size

Which component of the motherboard manages data flow and communication between various hardware components?

• a) BIOS/UEFI chip
• b) Expansion slots
• c) Chipset
• d) RAM slots