Unit 1 - Types and Components of Computer Systems Flashcards

Question

Advantages and disadvantages of a laptop

Answer 1

Advantages: More portable than desktops so you can use them from more locations. Larger screen than tablets and smartphones which makes reading and working easier. Keyboards on laptops are larger than those of tablets/smartphones and are easier to type on. Touchpads on a laptop mean that you can still navigate even if you aren't working on a flat surface. Disadvantages: Less portable than tablets and smartphones. Screens not as large as desktop PC's. Processors (CPU's) in laptops are not quite as powerful as those in desktops.

Answer 2

Tablets are small, hand-held, mobile computers that share a lot of the features of desktop PC's and laptops. Tablets use touchscreens instead of a mouse and keyboard to input commands. They are often equipped with a range of sensors including microphones and cameras.

Answer 3

Advantages: Smaller and lighter than desktops and laptops. This makes them more portable and much easier to carry. Larger screen than smartphones which makes reading content easier. On screen keyboards are larger than the smartphone versions and easier to use. Disadvantages: Larger and less portable than smartphones. Use Wi-Fi to connect which is less reliable than a desktops wired connection. Screens are smaller than desktop PC's or laptops and content might not be displayed as well. On-screen keyboards are not as easy to use as the physical keyboards found on desktop and laptops.

Answer 4

Early mobile phones could only make voice calls and send text messages. Modern smart phones (like iPhones) have much more functionality and can perform similar functions to desktop PC's and laptops.

Answer 5

Advantages: The smallest and most portable of all devices that can access the internet. People are more likely to have a mobile phone with them wherever they go. Much easier to access content while on the move than laptops or tablets. Disadvantages: Websites displayed on a smartphone are often not the full version of the site. Small screen size can make viewing content difficult. Very small keyboard can make it difficult to type in emails or documents.

Answer 6

Cloud computing is where users store their documents, programs and data on the Internet rather than on their own computers.

Answer 7

Dropbox Google Drive Microsoft OneDrive

Answer 8

People don't need to invest in their own IT hardware and staff. Critical data is safe in dedicated data centres, with backups around the world. Easy to expand they can simply rent more space as and when required.

Answer 9

Monthly costs, would have to work out whether this was more cost effective. If you are working with large data then there might be an issue of downloading and uploading. The need for stable connectivity to the internet to access your documents.

Answer 10

Storage benefits: Thousands of digital books can be stored on one computing device. Paperless: Digital books do not need to be printed onto paper. Instant access to your book or newspaper: They can be downloaded from the internet almost instantly. Cheaper: eBooks and newspapers are generally less expensive than printed versions.

Answer 11

Health and safety: Reading on screens for long periods of time can lead to eye strain. Piracy: eBooks are digital and so are very easy to copy and share. Usability: They can be hard to search through to find specific pages. High initial cost: Before you can read a eBook or newspaper you need a device which aren't cheap.