Digital Electronics Multiple Choice Questions
Digital Electronics Multiple Choice Questions 1) Which number system has a base 16 Hexadecimal Octal Binary Decimal Answer: a Explanation: Hexadecimal is a number system with a base 16. We can divide the word HEXA+DECIMAL for better understanding; it means 6 and 10 make 16. It is the easiest way to write and count numbers represented in terms of base 16. There are sixteen distinct digits in the hexadecimal system, it starts from 0, 1,2,3,4,5,6,7,8,9, A, B, C, D, E and end to F. Where A= 10, B=11, C=12, D=13, E=14, F=15. It is usually represented by 4 bits in binary number system by 8421 code. 2) What is a digital-to-analog converter? It stores digital data on the computer. It converts alternating current (AC) into direct current (DC). It converts electrical power into mechanical power. It takes the digital data from an audio CD and converts it to a useful form. Answer: d Explanation: A "digital-to-analog converter" or DAC refers to an electronic device that converts the dig...