Digital Devices And Digital Techniques

Question 1

What’s a handheld scanner?

Answer 1

They are cheap to buy, easy to use. They can produce high quality scans quickly and their big advantage over flatbed scanners is that they are portable. They use memory cards to store images until they are moved onto a computer.

Question 2

What’s a flatbed scanner?

Answer 2

They are useful for producing high quality scans as the original image or text is held still whilst scanned. This often comes as part of a home inkjet printer.

Question 3

What is a graphic tablet?

Answer 3

When used with a stylus pen, they allow hand produced sketches to be put straight onto a computer. It is better and easier than using a mouse. It can be expensive to get a good quality tablet, but the price is being reduced.

Question 4

What is a laser printer?

Answer 4

Laser printers give high quality print outs using CMYK format. They are becoming more affordable for home use. This can helps reduce the physical storage space for larger documents.

Question 5

What is a keyboard?

Answer 5

Is is used to input text and is essential.

Question 6

What is a mouse?

Answer 6

Is is needed when using CAD or DTP softwares.

Question 7

What is a monitor?

Answer 7

All CAD models and DTP work is displayed on a monitor. When completely graphic projects, a larger high resolution monitor is preferable.

Question 8

What is a projector?

Answer 8

They can be used to display work on a large screen.

Question 9

What is a drum plotter?

Answer 9

They allow large drawings to be printed. The paper is moved back and forth through the printed by rollers. They are used in inkjet printers.

Question 10

What is a sublimation printer?

Answer 10

They can be used to print onto a variety of materials. They can print into shirts, mugs and other items.

Question 11

What is a portable storage facility?

Answer 11

This includes a USB flash drive. They allow the user to save their work and take it with them and open files on any computer.

Question 12

What is email?

Answer 12

Email is used to share files immediately with anyone anywhere. They require an internet connection, this is a time efficient and environmentally friendly method of communication.

Question 13

What is cloud storage?

Answer 13

Cloud storage offers a method of storing work without needing any physical storage devices. Cloud storage also gives access to their work from any computer that is connected to internet. The amount of cloud storage offered by companies differs. It also provided a useful method of backup storage. It can be set to automatically sync with the contents of a hard drive or network to prevent data loss.

Question 14

What are three advantages of cloud computing?

Answer 14

• Computers designed solely for cloud computing can be cheaper than desktop or laptop machines because they require less hard drive memory for programs and files as it is stored in the cloud.
• Only the programs that are required need to be paid for and used, instead of other packages that come reinstalled on a computer.
• Companies can pay a subscription to a software producer rather than a lathe initial cost followed by additional costs like software updates.

Question 15

What are three disadvantage of cloud computing?

Answer 15

• A fast and reliable internet connection is required to run cloud computing apps.
• Connection charges to high spee internet connections can be expensive, Especially for companies that rely on this service and spend lots of money for the connection.
• There can be issues over who owns the rights to anything created or stored.

Question 16

What is cloud computing?

Answer 16

It is a system that allows portable access to apps as long as there is an internet connection.

Question 17

What are examples of raster file types?

Answer 17

tiff, jpg, png, bmp, gif, psd

Question 18

What are examples of vector file types?

Answer 18

svg, dxf, eps, ai, cdr

Question 19

What is a raster graphic?

Answer 19

Raster graphics are created using a series of coloured pixels. They tend to be used for photographs or illustrations as colours can be blended to soften the change of one colour to the text. The higher the number of pixels, the better quality raster file.

Question 20

What’s the ppi of a raster graphic?

Answer 20

The quality of a raster file is measured in pixels per inch. The lower the ppi, the more pixelated and blurry.

Question 21

What are three advantages of raster graphics?

Answer 21

• It is possible to change the quality setting for different types of output. You can change the ppi to reduce the size of the file time so they take less time to load.
• Suitable for photographs because they show detail in gradual colour changes.
• Can be edited using common photo editing programmes.

Question 22

What are three disadvantages of raster graphics?

Answer 22

• Images can become pixelated when increased in size.
• Can be less suited for large size print projects due to a loss in quality when resizing.
• Very complex raster images are difficult to convert to vector file formats.

Question 23

What is a vector graphic?

Answer 23

They use mathematically defined areas to produce the shapes contained within the image.

Question 24

What are three advantages of of vector graphics?

Answer 24

• Can be resized to a far larger image without loss of image quality.
• You can easily to edit the colour and various parts of the file.
• They have a smaller file type than raster files.

Question 25

What are three disadvantages of a vector graphic?

Answer 25

• Cannot be used for photographs.
• Not suitable for images with gradual tonal changes with blended colour.
• Only specialised software packages can be used to create these types of graphics.

Question 26

What is a registration mark?

Answer 26

It is used to ensure perfect alignment of colours on a page. When printing with the CMYK method, a CMYK printing register mark is visible to allow the colours to be checked.

Question 27

What a colour bar?

Answer 27

A colour bar printed outside the trim area and are used to check the accuracy of the colours being printed.

Question 28

What is a crop mark?

Answer 28

They are small marks at the corners of the finished page to show where the page should be trimmed.

Question 29

What is the bleed area?

Answer 29

The bleed area described the part of the paper outside the crop marks to which the images and features are printed. The bleed area is removed when the pages are trimmed.

Question 30

What is a print run?

Answer 30

The print run is the number of copies of a newspaper or magazine that are printed at a time.

Question 31

What is a CMYK colour palette?

Answer 31

It stands for cyan, magenta, yellow, key. It is used when a document is going to be printed. The colours must be aligned properly otherwise the images will appear distorted.

Question 32

What is a RGB colour palette?

Answer 32

It stands for red, blue, green. It is used on on screen document.

Question 33

What are advantages of digital advertisements to advertisers?

Answer 33

• It is environmentally friendly as ink and paper are not required.
• Adverts can be changed regularly, cheaply, quickly.
• Adverts can use moving images to attract attention.

Question 34

What is The Paperless Office?

Answer 34

It’s a huge benefit to industry with the use of computer and there has been a reduction in paper use. Important documents are held on computer systems.

Question 35

What is remote working?

Answer 35

DTP work and other files can be shared immediately through the use of email systems. Employers can work from home or in seperate offices on the same item of work. Storing data on a single drive or server allows different people in different places to work on the same document. This allows companies tonhage international offices working on documents simultaneous to increase production and make use to the skills of a varied workforce. This means that companies can become global around the world by connected by different networks. You can communicate with anyone through a variety of platforms.

Question 36

What are safe practices to partake in when using DTP.

Answer 36

• Adjustable seating and footstools and wrist rests.
• Offices must be suitably lit with non glare lighting and regular breaks must be taken from the computer screen to avoid headaches and eye strain.
• Tidy workspace and cables should be arranged carefully.

Question 37

What are some DTP packages that are available?

Answer 37

• Adobe InDesign
• Scribus
• Pages

Question 38

Why is CAD animation useful?

Answer 38

Animations allow a user to see how a product looks or moves. They are used as a communication tool. The client will often wish to see an animated video to understand how a product works.

Question 39

What is CAD simulation and what is it used for?

Answer 39

They allow a user to interact with a product. A flight simulator can be used to train pilots without risk of crashing a plane. They can also be used to test the strength of a product without lots of expensive physical models needing to be used. A large number of physical factors can be controlled, such as temperature or wind strength.

Question 40

What is 3D printing?

Answer 40

There is almost no limit to what can be produced to what can be produced using a 3D printer straight from a drawing. This reduces manufacturing costs for the companies involved and can print any shape without any expensive tooling requirements.