Table of Contents
How many bytes is a ROM?
How Many Bytes for Anything
| Information object | How many bytes |
|---|---|
| The complete works of Shakespeare | 5 megabytes |
| A minute of high-fidelity sound | 10 megabytes |
| One meter (or close to a yard) of shelved books | 100 megabytes |
| The contents of a CD-ROM | 500 megabytes |
How many bytes is 4?
KB to Bytes Conversion Table
| Kilobytes (KB) | Bytes (B) decimal | Bytes (B) binary |
|---|---|---|
| 1 KB | 1000 Bytes | 1024 Bytes |
| 2 KB | 2000 Bytes | 2048 Bytes |
| 3 KB | 3000 Bytes | 3072 Bytes |
| 4 KB | 4000 Bytes | 4096 Bytes |
What is the last memory address of 4 GB?
Likewise, you need 20 bits to address every byte in a megabyte, and 30 bits to address every byte in a gigabyte. 232 = 4294967296, which is the number of bytes in 4 gigabytes, so you need a 32 bit address for 4 GB of memory.
How many memory locations will be available in a 4 GB memory?
There is no difference: on a typical system RAM and ROM share the same address space, and each byte needs to have a unique address, so regardless of whether you have 4 GB of RAM or ROM you will need to have 32 address lanes.
How big is a 4 byte integer?
INTEGER Value Ranges
| Size | Signed Values | Unsigned Values |
|---|---|---|
| 1-byte | -128 to 127 | 0 to 255 |
| 2-byte | -32,768 to 32,767 | 0 to 65,535 |
| 3-byte | -8,388,608 to 8,388,607 | 0 to 16,777,215 |
| 4-byte | -2,147,483,648 to 2,147,483,647 | 0 to 4,294,967,295 |
How many bytes is a memory address?
Each address identifies a single byte (eight bits) of storage.
How is memory address space calculated?
How to Calculate a Memory Address
- Take your 16-bit segment and offset addresses and break them into pairs.
- Add the two 20-bit addresses together in binary form to get the hexadecimal address of the memory.
How many memory cells does a 4 Gbit RAM has?
Over time the size of the actual DRAM cells (a modern 4 gigabit DDR3-SDRAM chip has 4 * 2^30 of these, and a single-sided 4 gigabyte DIMM will have eight of these chips) has been dwarfed by the control electronics that are necessary to provide the external interface.
How many memory locations are there?
For example, an 8-bit-byte-addressable machine with a 20-bit address bus (e.g. Intel 8086) can address 220 (1,048,576) memory locations, or one MiB of memory, while a 32-bit bus (e.g. Intel 80386) addresses 232 (4,294,967,296) locations, or a 4 GiB address space.
How many bytes are in a gigabyte of memory?
Gigabyte. A gigabyte (GB) is a measure of memory space equal to 1024 megabytes or 1,073,741,824 bytes (2 to the 30th power). A gigabyte is equal to 4,194,304 MPE sectors, 524,288 hardware PA-RISC pages or 262,144 software MPE/iX pages.
How many GB is Ram?
Computer memory (RAM) is typically installed in megabytes (MB) or gigabytes (GB), typically in some combination of 256 MB, 512 MB, 1 GB or 4 GB.
How big is the memory on a computer?
Computer memory (RAM) is typically installed in megabytes (MB) or gigabytes (GB), typically in some combination of 256 MB, 512 MB, 1 GB or 4 GB. One MB is 1,000,000 bytes.
How many pictures does a 4GB memory card hold?
A 4GB memory card holds nearly 1,140 photos at 10 megapixels apiece but only 520 photos at 22 megapixels. Uncompressed photos are a lot larger than traditional photos, so a 4GB memory card is only able to hold around 115 pictures of 10 megapixels. The last thing that has to be considered is the format in which the picture is saved.