Industrial Maintenance Technician Practice Test 2025 - Free Maintenance Technician Practice Questions and Study Guide

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What does BCD code stand for?

Binary coded decimal

BCD code stands for Binary Coded Decimal, which is a method of encoding decimal numbers in a binary format. In BCD, each digit of a decimal number is represented by its own group of four binary bits. For example, the decimal number 93 is represented in BCD as 1001 0011, where 1001 represents the decimal digit 9 and 0011 represents the decimal digit 3. This encoding is particularly useful in applications where the decimal digits need to be displayed or processed directly, such as in digital clocks, calculators, and various electronic devices.

The reason BCD is favored in certain applications lies in its straightforward conversion between decimal and binary, simplifying the design of circuits that process decimal input. While other coding systems exist, BCD's specific arrangement makes it ideal for representing and manipulating decimal values directly within digital systems without additional conversion steps.

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Binary computed display

Binary coded data

Binary conditional decimal

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