Year 8 Term 1 Flashcards
what is a vector?
A vector is an image created on a computer using coordinates.
What is binary?
Binary is a language of a computer that uses 1’s and 0’s.
What are some benefits of vectors?
1.They can be scaled without losing image quality
2.Small file size
3.Easily edited
4.Idealy suited for geometrical shapes
What is an algorithm?
An algorithm is a set of instructions that perform special tasks.
What is a vector graphic
A vector graphic is an image made of coordinates
What is a bitmap?
It is an image made up of lots of pixels.
What are the uses of bitmap?
1.Can be used in digital photographs
2.High quality original game graphics
What is a pixel?
It is each tiny colored square that makes up an image
What is resolution?
Resolution is the number of pixels within an image.
What is gradient?
It is the change from one color to another
What happens if the resolution is increased?
The higher the resolution, the larger the file size
What is the internet?
Internet is a collection of networks
What is a network?
A connection between two or more computers for the sake of communication
What is bandwidth?
It is the amount of data that can be sent in one second in bits per second
What is compression?
Compression is the reduction of the size of a file stored in a computer
Highlight 4 reasons for file compression
1.Attaching documents to email
2.Storing large files on a computer
3.transferring files on a storage device
4.Speeding up the download time of large files
What is lossy compression and lossless compression
Lossy compression deletes part of the file, reducing the file size but when decompression the elected parts cannot be restored
in Lossless compression the parts of the reduced file are restored when the file is decompressed.
How can the size of a file can be reduced/compressed?
1.By trimming unused data
2.By eliminating duplicate data
3.Switching to more efficient formats
What is computer hardware?
Computer hardware refers to the physical and tangible parts of a computer.
What is computer software?
Computer software refers to a set of instructions/programs that perform a specific task on your computer.
What is wearable technology
Wearable technology is any computer device that is connected to the internet and placed on your body without the need to hold it in your hands
Give 4 examples of wearable technology
1.Smart watches
2.Smart jewelries
3.Smart glasses
4.Smart clothing
highlight 4 uses of wearable technology.
1.VR-Virtual reality
2.Payments
3.Communication
4.Fitness tracking
Give 4 advantages of wearable technology
1.Hands free access to technology
2.Able to provide immersive video games
3.Able to monitor our health
4.Always with us so less likely to forget it
