Computers In Our Everyday Lives PDF

Computers in our everyday lives Module 1.1 1 Computers – a part of our lives Module 1.1 2 Content (1) Why we use computers Efficiency, accuracy and reliability Communication Types of computer systems Non-portable computers Portable com...

Computers in our everyday lives Module 1.1 1 Computers – a part of our lives Module 1.1 2 Content (1) Why we use computers Efficiency, accuracy and reliability Communication Types of computer systems Non-portable computers Portable computers Mobile computing devices 3 Content (2) Categories of users Casual SOHO Power Mobile Convergence Test and improve your knowledge Summary of module 4 Written module activity WHY WE USE COMPUTERS 5 Efficiency, accuracy and reliability Efficiency Accuracy Reliability Computers save: Quality Computers Time program & can be relied quality data >>> on to do 100% accuracy! tasks without Labour tiring, Essential in complaining, mass asking for Resources production on more assembly lines money.. ;-) 6 Communication The efficiency, accuracy and reliability of computers combined with the ability to communicate, enable us to eliminate time and distance as constraints communicate and share information globally save on communication costs interact socially on a bigger scale 7 TYPES OF COMPUTER SYSTEMS 8 When comparing computers you should look at: Power – the specs Purpose – e.g. servers Size – power, purpose vs. portability Software – operating systems or ‘platforms’ 9 Non-portable computers generally consist of a system unit, monitor, mouse and keyboard large not meant to be moved 10 Non-portable computers Desktop computer Entry-level machines Cheapest to purchase Low hardware specs ‘Home editions’ software Types Server Workstations 11 Portable computers An ‘all-in-one’ design. Designed to fold to take up less space, to be easy to carry and to protect the delicate parts of the computer. Have outsold desktops in the last few years. 12 Portable computers - types Laptop Screen size larger than 12" or 13" Notebook Tablet PC: reversible screen, touch/pen sensitive Tablet PC Designed to be ultra slim and light Ultrabook Do not include optical drives and hard drives, use SSDs Do not include optical drives Netbook Have very low powered CPU Ultrabook more popular as lightweight computer 13 Mobile computing devices designed to maximise battery life and to be ‘always on’. use operating systems designed to use less power (iOS, Android, Windows Mobile, Windows 8 RT) often use touch screen interfaces 14 CATEGORIES OF USERS 15 Casual or personal user limited office tasks Internet banking e-mail and browsing the Web social networking Skyping viewing and sharing photos entertainment: casual gaming, playing music and watching movies. 16 SOHO (Small Office Home Office) user Category dependent on type of business Needs entry-level desktops for admin: accounting or billing databases with clients, suppliers, stock, etc. electronic document archiving planning and scheduling, etc. Might also need other computer depending on type of business 17 Power users hardcore gamers scientists architects top-of-the- range hardware & software video editing engineers professionals 18 Mobile users Not necessarily a separate category. Every category of user also use mobile technology. Smartphones or tablets for tasks such as browsing and e-mail playing games reading books navigating with GPS taking quick notes taking photos and video and recording sound. 19 CONVERGENCE 20  the trend where separate technologies and functions that required different devices in the past are combined into one single device Convergence 21  Convergence – the smartphone and the consumer tablet 22 TEST AND IMPROVE YOUR 23 KNOWLEDGE  Summary of module Reasons why we use Types of computer computers systems Non-portable computers save time, resources and labour desktop computer workstation accurate server reliable Portable computers laptops and notebooks netbooks communicate quickly and easily ultrabooks communicate globally Mobile computing devices 24 smartphones save communication costs consumer tablets  Summary of module Categories of users Convergence casual or personal user smartphone SOHO user consumer tablet power user mobile user 25 Written module activity 26