Understanding Computer Systems

What are the main types of computer hardware?

• Output protocols

• Input software

• Input devices, output devices, storage devices, processing units, networking components.

• Storage algorithms

Which component is considered the brain of the computer?

• Central Processing Unit (CPU)

• Graphics Processing Unit (GPU)

• Motherboard

• Random Access Memory (RAM)

What is the purpose of an operating system in software?

• To enhance the graphics performance of applications.

• To provide internet connectivity for devices.

• To serve as a database management system.

• The purpose of an operating system is to manage computer hardware and software resources and provide common services for computer programs.

Describe the steps involved in installing software on a computer.

• Download the software, run the installer, follow the prompts, and complete the installation.

• Run a virus scan after downloading the software

• Uninstall the existing software first

• Restart the computer before installation

What health risks are associated with prolonged computer use?

• Enhanced social interactions

• Increased physical fitness

• Health risks associated with prolonged computer use include eye strain, musculoskeletal problems, repetitive strain injuries, and mental health issues.

• Improved vision and focus

How can you reduce eye strain while using a computer?

• Stare at the screen continuously without breaks

• Use a dark theme on all applications

• Adjust screen brightness, use proper lighting, maintain distance, take regular breaks, and use blue light filters.

• Increase screen resolution

What are safe practices for browsing the internet?

• Share your passwords with friends

• Use the same password for all accounts

• Click on any pop-up ads

• Use strong passwords, enable two-factor authentication, keep software updated, avoid suspicious links, use HTTPS, and be cautious with personal information.

Why is it important to use strong passwords?

• Using the same password for all accounts is safer.

• It is important to use strong passwords to enhance security and protect against unauthorized access.

• Weak passwords are easier to remember and use.

• Strong passwords are only necessary for online banking.

What is data encryption and why is it important?

• Data encryption is the process of converting data into a coded format to prevent unauthorized access, and it is important for protecting sensitive information and ensuring privacy.

• Data encryption is only necessary for financial transactions.

• Data encryption makes data completely inaccessible to users.

• Data encryption is the same as data compression.

How can you protect your personal information online?

• Use the same password for all accounts

• Share your passwords with friends

• Ignore software updates

• Use strong passwords, enable two-factor authentication, be cautious on social media, update software, and use secure connections.