Data representation- Binary 0.0 / 5 ? ComputingBinaryIGCSEOther Created by: AnnaBrady2Created on: 12-11-16 20:23 What does binary symbolise? Voltage 1 of 14 What does 0 and 1 stand in terms of voltage? on and off 2 of 14 What is the first stage of converting sound to it's digital form? Microphone picks up sound waves 3 of 14 Second stage? Converted to an electrical analogue signal 4 of 14 Third stage? Value read at specific point and rounded to a level 5 of 14 Fourth stage? The points which sound is read and stored defines the sample rate 6 of 14 Fifth stage? The binary representation is stored 7 of 14 What happends when the sample rate is higher? The sound quality is better, and the sound file is larger 8 of 14 What is the first stage of using binary to represent bitmap image? The image is represented as frid or sequence of pixels 9 of 14 What is the second stage? Each pixel is represented by one bit, white is 0 and black is 1 10 of 14 Third stage? White and black are represented by using different patterns 11 of 14 Fourth stage? The same bit pattern is used for black and white 12 of 14 Fifth stage? Metadata about the image is also stored 13 of 14 What types of data could binary represent? Text, image, sound, integer, date and real number 14 of 14
Comments
No comments have yet been made