Why Programmers Celebrate Day 256
Imagine a programmer’s workstation with a keyboard, a screen, and a friendly arrangement of blocks marked with zeros and ones. Those two digits can represent information inside a computer. They also help explain why many programmers celebrate their work on an unusual date: the 256th day of the year.
Programmers’ Day recognizes people who write and improve instructions for computers. Those instructions, called programs, help computers carry out tasks. Programs can guide a robot, display a map, or help a student create a picture. Programmers also test their instructions and fix mistakes when something does not work as expected.
Why 256?
Computers use the binary number system, which has just two digits: 0 and 1. A single binary digit, or bit, can have either value. When bits are placed together, they can form many different patterns.
With two bits, there are four possible patterns: 00, 01, 10, and 11. Each time another bit is added, the number of possible patterns doubles. Eight bits can form 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 patterns, or 256 in all. Mathematicians write this as 2⁸ and say “two to the eighth power.”
- recognizes:
- Shows appreciation for or gives attention to someone or something.
- patterns:
- Arrangements of things that follow a particular order.
- doubles:
- Becomes twice as much.
- observance:
- A day or event that people recognize or celebrate.
- official:
- Formally approved or recognized by an authority.
- decree:
- An official order or decision made by a government or leader.
- appreciation:
- Gratitude or recognition for someone’s work or value.
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Preview questions from this passageShowHide
- 1What is the main idea of the article, and which two details support it?
- 2Why is 256 a meaningful number for a day honoring programmers?
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About this explanatory article passage for Upper Elementary
“Why Programmers Celebrate Day 256” is a explanatory article reading passage about Programmers' Day, written for Upper Elementary. It takes about 3 minutes to read (456 words) and comes with an interactive quiz and a printable worksheet with comprehension questions and an answer key.