Suppose the memory of a computer contains the following hex values: Address Ox100 Address Ox101 Address Ox102 Address Ox103 00 12 34 56 What hex value is this on a big endian computer? type your answer. What hex value is this on a little endian computer? type your answer.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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### Understanding Endianness in Computer Memory

Suppose the memory of a computer contains the following hex values:

- **Address 0x100**: 00
- **Address 0x101**: 12
- **Address 0x102**: 34
- **Address 0x103**: 56

#### Tasks:
1. **What hex value is this on a big endian computer?**  
   (Enter your answer in the provided field.)

2. **What hex value is this on a little endian computer?**  
   (Enter your answer in the provided field.)

#### Explanation

Endianness refers to the order of bytes in a word of digital data. 

- **Big Endian**: Stores the most significant byte at the smallest memory address and the least significant byte at the highest. Thus, you read the bytes in the order they appear.
  
- **Little Endian**: Stores the least significant byte at the smallest memory address and the most significant byte at the highest. You read the bytes in reverse order.

This exercise helps in understanding how data is interpreted differently based on the endianness of the computing architecture.
Transcribed Image Text:### Understanding Endianness in Computer Memory Suppose the memory of a computer contains the following hex values: - **Address 0x100**: 00 - **Address 0x101**: 12 - **Address 0x102**: 34 - **Address 0x103**: 56 #### Tasks: 1. **What hex value is this on a big endian computer?** (Enter your answer in the provided field.) 2. **What hex value is this on a little endian computer?** (Enter your answer in the provided field.) #### Explanation Endianness refers to the order of bytes in a word of digital data. - **Big Endian**: Stores the most significant byte at the smallest memory address and the least significant byte at the highest. Thus, you read the bytes in the order they appear. - **Little Endian**: Stores the least significant byte at the smallest memory address and the most significant byte at the highest. You read the bytes in reverse order. This exercise helps in understanding how data is interpreted differently based on the endianness of the computing architecture.
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