How have computers changed our lives? | Year 5 Computing PDF Download

What is a computer?

Computers are all around us and play a big part in many people's daily lives. Here are some key points about computers:

• Definition: A computer is an electronic device that processes, stores, and displays information.
• Prevalence: Most electronic devices today contain some sort of computer.
• Types of Computers:
  • Traditional Computers: Desktop computers are considered traditional computers.
  • Portable Computers: Laptops, tablets, and smartphones are examples of portable computers.
  • Wearable Computers: Smartwatches are wearable computers.
  • Household Appliances: Many household appliances, like washing machines, are controlled by computers.

The Evolution of the Term "Computer"

• In the past, the term "computer" referred to individuals who engaged in intricate mathematical computations.
• Mary Jackson, Katherine Johnson, and Dorothy Vaughan were instrumental as "human computers" at NASA, contributing significantly to the space program's success.
• These remarkable individuals played pivotal roles in propelling the first astronauts into space, showcasing the vital role of computing in scientific advancements.

How are computers used in our day-to-day lives?

Computers are ubiquitous in our daily environments, from our homes to schools and shopping centers.

• Smartphones: Smartphones have become integral to our lives, enabling us to communicate through calls and messages. They feature user-friendly operating systems that support various applications like games, music, email, social media, and calendars.
  
• Fitness Trackers: Electronic fitness trackers play a crucial role in monitoring our physical activities, such as counting steps, tracking heart rates, and recording daily exercise. These devices can be motivating tools for individuals striving to improve their fitness levels.
  
• Self-Checkout Machines: Self-checkout machines are commonly found in supermarkets, streamlining the shopping experience by scanning barcodes for quick and easy payment. These machines expedite the checkout process, offering convenience to shoppers.
  
• Electronic Locks: Schools and workplaces often utilize electronic lock systems requiring pin codes or swipe cards for access, eliminating the need for physical keys. Digital locks provide ease of use and enhanced security features compared to traditional key locks.
  
• Cars as Computers on Wheels: Modern cars contain sophisticated computer systems that monitor emissions and ensure optimal functionality. Electric cars, in particular, are akin to "computers on wheels," with onboard computers controlling various systems.
  

How have computers helped to connect us?

• Personal Connections: Technology has made it easier than ever before to maintain personal relationships across vast distances, ensuring that physical separation does not hinder communication and interaction.
• Professional Collaboration: The seamless integration of technology into various industries enables professionals to work together efficiently, regardless of their physical location. This fosters innovation and knowledge sharing on a global scale.
• Educational Opportunities: Computers have transformed the educational landscape by connecting students and educators worldwide. This connectivity allows for the exchange of ideas, learning experiences, and cultural insights, enriching the educational journey for all involved.
• Social Impact: The interconnected nature of technology has had a profound social impact, breaking down barriers and fostering understanding and empathy across diverse communities. It has facilitated the sharing of diverse perspectives and experiences, leading to a more interconnected and empathetic global society.

How have computers saved lives?

Computers have revolutionized our understanding and management of the human body.
Here are some key points:

• Detailed Analysis: Computers allow us to analyze and record how our bodies work in greater detail than ever before.
• Robotic Surgeons: They can perform surgeries that are too complex or too small for human surgeons.
• Pacemakers: Some people have pacemakers fitted to ensure their heart beats regularly.
• Insulin Monitors: Diabetes patients can wear insulin monitors that alert them if their blood sugar levels are too low or too high, replacing the need for frequent finger pricking. These monitors connect to smartphones for easy readings.
• Medical Testing: Many tests for illnesses are completed using computers.

Most careers involve digital technology, and computers are common in many workplaces.
Here are some key points:

• Understanding Computers: It's crucial to understand how computers work since you'll likely need to use them as an adult.
• Workplace Efficiency: Computers have revolutionized various jobs, making them more efficient through technology.
• Constant Evolution: New tools to enhance work processes are constantly being developed, making it challenging to keep up with the rapid changes in technology.
• Emerging Careers: Many well-paying jobs involving computers today didn't exist 20 years ago.