For the following data definition: .data value: word 15 letters: byte T, T, 'm num: word 50 chars: space 10 prompt: asciiz "Enter:" Age: .byte 39 What is the address of Age? (Explain in detail why by showing the memory map)
For the following data definition: .data value: word 15 letters: byte T, T, 'm num: word 50 chars: space 10 prompt: asciiz "Enter:" Age: .byte 39 What is the address of Age? (Explain in detail why by showing the memory map)
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
Section: Chapter Questions
Problem 1PE
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![### Data Definitions in Assembly Language
#### Given Data Definitions:
```assembly
.data
value: .word 15
letters: .byte 'I', 'm'
num: .word 50
chars: .space 10
prompt: .asciiz "Enter:"
Age: .byte 39
```
### Explanation of Data Definitions
1. **value**: This defines a word (typically 32 bits / 4 bytes) with the value 15.
2. **letters**: This defines an array of bytes with the characters 'I' and 'm'.
3. **num**: This defines a word with the value 50.
4. **chars**: This allocates a block of 10 consecutive bytes in memory.
5. **prompt**: This defines a null-terminated string "Enter:".
6. **Age**: This defines a byte with the value 39.
### Memory Map
To explain the memory address of `Age`, a memory map can be used.
Assuming the starting address for `.data` is `0x10000000`:
| Address Range | Content | Description |
|-----------------------|-----------------------|--------------------------------|
| `0x10000000` - `0x10000003` | 0x0000000F | `value: .word 15` |
| `0x10000004` | 0x49 | `letters[0] = 'I'` (0x49 in ASCII) |
| `0x10000005` | 0x6D | `letters[1] = 'm'` (0x6D in ASCII) |
| `0x10000006` | 0x00000032 (32 in hex)| `num: .word 50` |
| `0x1000000A` - `0x10000013` | (0s) | `chars:10 free bytes` |
| `0x10000014` - `0x10000019` | 0x45 0x6E 0x74 0x65 0x72 0x3A 0x00 | `prompt: "Enter:\0"` |
| `0x1000001A` | 0x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7824f8d0-65fb-442c-84f7-7ea5547717e1%2F3520e076-9617-484b-8a2b-c5368f958f48%2F3h8cd2k_processed.png&w=3840&q=75)
Transcribed Image Text:### Data Definitions in Assembly Language
#### Given Data Definitions:
```assembly
.data
value: .word 15
letters: .byte 'I', 'm'
num: .word 50
chars: .space 10
prompt: .asciiz "Enter:"
Age: .byte 39
```
### Explanation of Data Definitions
1. **value**: This defines a word (typically 32 bits / 4 bytes) with the value 15.
2. **letters**: This defines an array of bytes with the characters 'I' and 'm'.
3. **num**: This defines a word with the value 50.
4. **chars**: This allocates a block of 10 consecutive bytes in memory.
5. **prompt**: This defines a null-terminated string "Enter:".
6. **Age**: This defines a byte with the value 39.
### Memory Map
To explain the memory address of `Age`, a memory map can be used.
Assuming the starting address for `.data` is `0x10000000`:
| Address Range | Content | Description |
|-----------------------|-----------------------|--------------------------------|
| `0x10000000` - `0x10000003` | 0x0000000F | `value: .word 15` |
| `0x10000004` | 0x49 | `letters[0] = 'I'` (0x49 in ASCII) |
| `0x10000005` | 0x6D | `letters[1] = 'm'` (0x6D in ASCII) |
| `0x10000006` | 0x00000032 (32 in hex)| `num: .word 50` |
| `0x1000000A` - `0x10000013` | (0s) | `chars:10 free bytes` |
| `0x10000014` - `0x10000019` | 0x45 0x6E 0x74 0x65 0x72 0x3A 0x00 | `prompt: "Enter:\0"` |
| `0x1000001A` | 0x
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