21. The model numbers are based on the binary number system. 22. Our simple description of pythagoras'theorem turns into binary numbers that the computer can understand. 23. Binary numbers came into common use in the 20th century because of computer applications.24. Treating turn " n " as a binary number , calculate the following boolean value: 25. The Mangarevan people had developed a binary number system 300 years ahead of Europeans. 26. The method used for ancient Egyptian multiplication is also closely related to binary numbers . 27. A DAC takes a series of binary numbers and converts it to an analogue signal. 28. One way is to visit all the binary numbers less than 2 " n ". 29. The binary numbers above and below the planets show the relative distance to the Sun. 30. Turn them into a binary number , ie : 01101001001101001011010001.
