Table of Contents
- 1 How are data types stored in memory?
- 2 What is a memory location where values are stored?
- 3 What does a variable of type int hold?
- 4 How is an int stored in memory?
- 5 Which type of memory stores address information?
- 6 Which data type is most suitable for storing a number?
- 7 Which data type is used to store both integer and float value?
- 8 How many bytes can be stored in a memory location?
- 9 What is a memory location in a computer?
- 10 What is the size of integer data type in C?
How are data types stored in memory?
The appropriate amount of space is allocated given the data type, and the variable is stored in memory just as it is. These are called stack memory and heap memory. Stack memory stores primitive types and the addresses of objects. The object values are stored in heap memory.
What is a memory location where values are stored?
The main memory (or simply the memory) is where variables and other information are stored while a program runs. A program can fetch the current contents of the byte at a given memory address and it can store a given value into that byte. A byte is just 8 bits. Most of the data items that you use are larger than that.
What is the size of an int data type?
4 bytes
Data Types and Sizes
| Type Name | 32–bit Size | 64–bit Size |
|---|---|---|
| short | 2 bytes | 2 bytes |
| int | 4 bytes | 4 bytes |
| long | 4 bytes | 8 bytes |
| long long | 8 bytes | 8 bytes |
What does a variable of type int hold?
A variable’s type determines the values that the variable can have and the operations that can be performed on it. For example, the declaration int count declares that count is an integer ( int ). Primitive types contain a single value and include types such as integer, floating point, character, and boolean.
How is an int stored in memory?
Integers are commonly stored using a word of memory, which is 4 bytes or 32 bits, so integers from 0 up to 4,294,967,295 (232 – 1) can be stored. Below are the integers 1 to 5 stored as four-byte values (each row represents one integer).
How are integers stored?
Which type of memory stores address information?
Registered (buffered) memory has an extra component that stores address information, taking some load off the memory controller.
Which data type is most suitable for storing a number?
Answer: D. 65000 comes in the range of short (16-bit) which occupies the least memory. Signed short ranges from -32768 to 32767 and hence we should use unsigned short.
Which data type is used to create a variable that should store text?
String (str or text) It is a sequence of characters and the most commonly used data type to store text.
Which data type is used to store both integer and float value?
Answer: “NUMBER” datatype can store both integer and float value.
How many bytes can be stored in a memory location?
One memory location stores 1 byte (8 bits). The basic storage unit for memory is 1 byte. If you need to store 4 bytes, and place the first byte at 0001, the last byte will be at 0004. That’s one byte at each of 0001, 0002, 0003, and 0004.
How many addresses are there in an array of memory?
Memory can be though of as an array of bytes where each address is on index in the array and holds 1 byte. If a computer has 4K of memory, it would have 4096 addresses in the memory array.
What is a memory location in a computer?
It depends on the computer. A memory location means a part of memory that the CPU can address directly. Whats the basic unit of memory storage in a computer? It is the Bit, and then the Byte, but different CPUs are more comfortable addressing memory in words of particular sizes.
What is the size of integer data type in C?
Integer data types in C are typically 1, 2, 4 or 8 bytes in length, or 8, 16, 32, or 64 bits in length. Unsigned: that can store values from 0 to 2^n -1, as simple binary numbers