What is the function of the CPU in a computer?

c) Executes instructions and performs calculations

a) Provides power to other hardware components

b) Stores data and instructions for the computer

d) Manages input/output operations

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

c) Improved multitasking and parallel processing

What is the purpose of the BIOS/UEFI chip on the motherboard?

a) Provide low-level hardware control during startup

c) Control communication between CPU and RAM

d) Manage data flow and communication between components

What is the primary difference between RAM and storage memory?

a) RAM is volatile memory, while storage memory is non-volatile.

b) RAM provides long-term data storage, while storage memory offers faster access times.

c) RAM retains data even when the computer is powered off, while storage memory loses data.

d) RAM is used for storing the operating system, while storage memory is used for programs and files.

What is the recommended step before working on a portable computer?

A) Ensure the battery is removed.

B) Wear jewelry to enhance personal style.

C) Keep the device plugged into the wall.

D) Use direct current for power supply.

Why is it important to use caution when working with the power supply unit?

D) Power supplies can still hold a charge for up to whole seconds even after being unplugged.

A) Power supplies can only store charge for milliseconds.

B) Power supplies are not essential for the functioning of electrical devices.

C) Power supplies are not replaceable and require servicing.

What should be done if you're not a trained technician and need to address an issue with the power supply unit?

A) Replace the power supply unit with a new one.

B) Attempt to service the power supply unit yourself.

C) Ignore the issue as it is not significant.

D) Use caution and continue working with the existing power supply unit.

What precaution should be taken when handling fiber optic cables?

C) Look for a red dot at the end of the cable.

A) Look down the end of the cable.

B) Shine the light directly into your eyes.

D) Hold the cable close to your face for inspection.

What is the purpose of a heat sink or heat spreader in a device?

B) to properly remove heat from device components to improve device performance

A) To generate heat for efficient operation.

C) To cool down the surrounding environment.

D) To prevent heat from escaping the device.

Why is it important to allow a computer system to cool down before working on it?

B) To reduce the risk of severe burns.

A) To prevent thermal radiation.

C) To enhance the device's performance.

D) To ensure proper functioning of the CPU and memory.

Bellwork Module 2 intro to computers

Authored by Angel Martinez

Instructional Technology

Professional Development

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

a) Keyboard

b) Mouse

c) Touchscreen

d) Printer

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

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Bellwork Module 2 intro to computers

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

Input devices: How does an optical mouse track movement?

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

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

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

What is the main function of a computer power supply?

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

What is the function of the CPU in a computer?

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

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

Access all questions and much more by creating a free account

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