Chapter 1 DT Recap

What is the name of an image made up of only lines, curves and mathematical objects?

• Raster Image
• Bitmap Image
• Vector Image
• Pixel Image

What is the smallest unit of data?

• Megabyte
• Gigabyte
• Terabyte
• Bit

What does TXT stand for?

• Text
• Transfer Text
• Text Transfer
• Text Type

What does PNG stand for?

• Portable Network Graphics
• Programmable Network Gateway
• Personal Navigation Guide
• Portable Navigation Gadget

What does JPEG stand for?

• Joint Photographic Experts Group
• Joint Picture Encoding Group
• Just Picture Encoding Group
• Joint Photographic Encoding Group

What is meant by streaming?

• Downloading a file from the internet
• Sending emails in real time
• This is the process that allows video to be viewed on a website or app straight away, without having to wait for the full video to be downloaded.

• Uploading a file to the internet

What is the purpose of a buffer?

• This is an allocated part of memory that is used to store a downloaded part of the video before it is watched.

• This is when a video pauses and stops playing

• Poor internet connection

Which of the following is a "real" number?

• 2

• -3

• -4.56

Which of the following is an "integer"?

• 23

• -3.234

• 4.56

• 58756.334

What is a pixel?

• A type of digital art
• A unit of digital storage
• The smallest unit of a digital image
• A type of computer virus