# Question: What Is Address Line In Memory?

## What is the number of address lines required for 1 MB memory?

Required address line: “20” address lines or address bus are required to span “1MB” memory space.

Because 1MB is equal to bytes..

## What are the address lines?

Most written addresses use three lines: Recipient. Building/residence address. City, state, and zip code.

## How many bits are in a memory address?

32 bits2 Answers. The processor uses 32 bits to store an address. With 32 bits, you can store 2^32 distinct numbers, ranging from 0 to 2^32 – 1. “Byte addressing” means that each byte in memory is individually addressable, i.e. there is an address x which points to that specific byte.

## What is the purpose of a memory address?

In computing, a memory address is a reference to a specific memory location used at various levels by software and hardware. Memory addresses are fixed-length sequences of digits conventionally displayed and manipulated as unsigned integers.

## How many different addresses does a memory containing 20k words required?

There are 1024 bytes in one k byte. A 16k ram would therefore need 1024*16 = 16384 addresses. Add to that 16*2^4 for the peripherals and you get 16640. You then require at least 15 bits to represent those addresses.

## How do you find the address line for memory?

If n=1, you can only address 2 locations (0 and 1). If n=2, you can address 2 locations (0, 1, 2, and 3). As you can see, number of addressable locations = n^2. This means that n=log(1024) to the base 2.

## What do you mean by memory addressing?

In computing, a memory address is a reference to a specific memory location used at various levels by software and hardware. Memory addresses are fixed-length sequences of digits conventionally displayed and manipulated as unsigned integers.

## How many address lines are required for a 2k memory?

11 address linesIt means that a memory of 2048 words, where each word is 4 bits. So to address 2048 (or 2K, where K means 2^10 or 1024), you need 11 bits, so 11 address lines.

## How many address lines are used in 4k memory?

12 address lines10–1k; 11–2k; 12 address lines are require for 4k memory.

## What are the 3 types of buses?

Three types of bus are used.Address bus – carries memory addresses from the processor to other components such as primary storage and input/output devices. … Data bus – carries the data between the processor and other components. … Control bus – carries control signals from the processor to other components.

## How does memory addressing work?

the CPU puts a value on the address bus of the location it wants to read or write. the CPU sets the state of the read/write line to indicate which direction the data is to flow. the memory decoder decodes high-order address lines into a single chip select for the relevant device for that address.

## What is cache in memory?

Memory caching (often simply referred to as caching) is a technique in which computer applications temporarily store data in a computer’s main memory (i.e., random access memory, or RAM) to enable fast retrievals of that data. The RAM that is used for the temporary storage is known as the cache.

## What is address line and data line?

The Bus (2) Buses consist of data lines, control lines, and address lines. While the data lines convey bits from one device to another, control lines determine the direction of data flow, and when each device can access the bus. Address lines determine the location of the source or destination of the data.

## How many address lines 16mb memory?

Question: How many address lines are necessary to address two megabytes of memory? Answer: It requires 21 address lines to address two megabytes of memory.

## How a word is stored in memory?

Memory is divided into bytes, so words and double words must be split across multiple bytes. Therefore, there are two ways to store words and double words: Least significant byte first (Little Endian) or most significant byte first (Big Endian). Cubloc stores its data in Little Endian.