What is a word addressable memory?

What is a word addressable memory?

From Wikipedia, the free encyclopedia. In computer architecture, word addressing means that addresses of memory on a computer uniquely identify words of memory. It is usually used in contrast with byte addressing, where addresses uniquely identify bytes.

What is a word of memory?

A group of memory bits in a RAM or ROM block. In Verilog HDL, a memory word is a register in a memory (that is, RAM or ROM) block that contains the same range of bits as the other registers in the memory. …

How a cell in a memory is addressed?

Memory Addresses Memories consist of a number of cells (or locations) each of which can store a piece of information. Each cell has a number, called its address, by which programs can refer to it. If a memory has n cells, they will have addresses 0 to n − 1. All cells in a memory contain the same number of bits.

What is word size in memory?

Fundamental Data Types A byte is eight bits, a word is 2 bytes (16 bits), a doubleword is 4 bytes (32 bits), and a quadword is 8 bytes (64 bits).

Is main memory byte addressable?

The basic unit of digital storage is called a bit, storing a single 0 or 1. The 386SX, which addresses memory in 8-bit units but can fetch and store it 16 bits at a time, is termed byte-addressable. The advantage of word addressing is that more memory can be addressed in the same number of bits.

What is a synonym for having a good memory?

People with good memory, on the other hand, are referred to as eidetic. Eidetic memory or photographic memory would be the correct term. The word you want is memorious.

What is a good word for memory?

Some common synonyms of memory are recollection, remembrance, and reminiscence. While all these words mean “the capacity for or the act of remembering, or the thing remembered,” memory applies both to the power of remembering and to what is remembered.

What is word data type?

Bytes, words, and doublewords are the fundamental data types (refer to Figure 2-2 ). A word thus contains 16 bits. The bits of a word are numbered from 0 through 15; bit 0 is the least significant bit. The byte containing bit 0 of the word is called the low byte; the byte containing bit 15 is called the high byte.

What is the word size of 32 GB RAM?

A 32bit CPU will have a 32bit word, a 64bit CPU will deal with 64bit words. Now the Memory capacity and addressing bits: Suppose you have a memory of 1kB( let’s keep things a bit simple here ). 1kB = 1024 bytes = 2^10 bytes.

How many words are in the address field?

Each one of those addresses represents the memory location of one word of data. That’s 65535 available words – on an 8-bit system that’s 64KBytes. On a 16-bit system it would be double that at 128KBytes. Now, the RAM memory, the ROM memory, and (depending on the architecture) the IO peripherals will all take a number of those 65536 addresses.

How many words can a 16 bit address field hold?

Perhaps on this computer whatever is being addressed by the 16 bit field is a memory that can contain up to 65536 words, but another memory is smaller. Note that 4096 = 2^12, so a full address of the smaller memory only needs to be 12 bits wide. Thanks for contributing an answer to Electrical Engineering Stack Exchange!

Which is an example of memory address in a computer?

Address Address Memory addressing Example – for a Computer – Word = 16 bits – Byte addressable – uses big-endian – Long word = 4 bytes – 24 bits used for address 16 M bytes or 8 M words Instructions and instruction sequencing 4 bits 12 bits Address Inf.

How many words of memory does a computer have?

“Consider as an example a typical computer of that era which might have had a 16 bit address field in its instructions and 4096 words of memory.A program on this computer could address 65536 words of memory.” I don’t understand some of the terms.