## How do you read a true binary clock?

To read each individual digit in the time, the user adds the values that each illuminated LED represents, then reads these from left to right. The first two columns represent the hour, the next two represent the minute and the last two represent the second.

## How do you read a BCD clock?

Reading the Powers of 2 Clock in BCD Mode In BCD mode, each time segment — hours, minutes, and seconds — is represented in BCD. In BCD, each decimal digit is represented as a separate binary integer. Since hours, minutes, and seconds are a maximum of two decimal digits each, six binary-coded integers must be displayed.

**What’s the least number of bits that you’ll need to represent 59 in binary?**

6 bits

We have used 6 bits to represent 59 in binary.

**What is the third hand on a clock called?**

In some precision clocks, a third hand, which rotated once a minute, was added in a separate subdial. This was called the “second-minute” hand (because it measured the secondary minute divisions of the hour), which was shortened to “second” hand.

### How mathematics is embedded in a clock?

The mathematical way to say “in clock math” is just “working modulo 12”. This is our way of saying to consider 12 and 0 to be the same number. This method, doing the operation as usual and then subtracting or adding 12 until we have a number from 0 to 11, also works with multiplication.

### How do you write 47 in binary?

47 in binary is 101111.

**What is clock face rule?**

According to the clock face rule, we look at one face of a circular wire (or coil) through which a current is passing: (i) if the current around the face of the circular wire(or coil) flows in the clockwise direction, then that face of the circular wire will be South pole(s-pole)

**Why is the number 13 always in a clock?**

There is an 18th-century London legend of a clock that struck thirteen times and saved a man’s life. The story goes that St Paul’s Cathedral clock on one occasion struck thirteen bongs of the bell at midnight, with the result of saving the life of a soldier accused of sleeping at his post.