Digital Memory Explained: Addressing and Capacity
by Yuvi K - December 16, 2023
Digital Memory Explained: Addressing and Capacity
We use digital memory in various forms every day, from smartphones to digital cameras and the cloud. Its use has revolutionized the way we interact with and store information. Digital memory is an essential component of our lives, yet many people are unfamiliar with its underlying principles. To help explain digital memory, this article will discuss the concepts of addressing and capacity, and how they work together.
What Is Digital Memory?
Digital memory is a data storage technology that uses an electrical charge to represent numbers and symbols. It is made of tiny transistors and transistors are connected together to form a memory cell, otherwise known as a bit. A bit is the smallest unit of information that can be stored and retrieved. Many digital memories are non-volatile, meaning they do not lose their data when the power is switched off.
Addressing
Digital memory works by using addressing to locate and access data. Addressing is the process of assigning a unique identifier to a piece of data so the memory system can find it. This identifier is known as an ‘address’.
To be able to address data, a memory system must have an addressing scheme. An addressing scheme is a set of rules that are used to determine which memory cell the data will be stored in. This scheme can be either physical or virtual.Physical addressing references a physical location within the memory. This means every memory cell has an address, and data can be retrieved by simply referencing the address of the desired cell.Virtual addressing references a logical location within the memory. This means that although memory cells do not have a physical address, data can still be retrieved by referencing its logical address.
Capacity
Capacity is another important principle of digital memory. It refers to the maximum amount of data that a memory system can store. Capacity is typically measured in bytes, kilobytes (kB), megabytes (MB) or gigabytes (GB).
The capacity of a memory system is determined by a number of factors. The most significant factor is the size of the memory cells. Smaller memory cells will have a lower capacity, as they are capable of storing fewer bits of data. The number of cells also plays an important role, as this will determine the total number of bits that can be stored.
Conclusion
Digital memory is an essential part of modern technology. Its underlying principles of addressing and capacity enable it to store and retrieve data quickly and reliably. Hopefully this article has helped to shed some light on the workings of digital memory.
Aaj ke waqt mein digital memory har tarah se istemal hoti hai, jis se hum smartphones ya digital cameras aur cloud ko istemal karte hain. Iska istemal hamein jankari ke sath kaam karne mein sudhar laya hai. Digital memory hamaare liye kaafi zaroori hai par shayad bahot se logon ko iske asal usool nahi maloom. Aaj ka yeh article digital memory ke andar ki addressing and capacity ki principles ko samajhne ka kaam karega.
Digital Memory Kya Hai?
Digital memory ek data storage technology hai jo kisi bhi number ya symbols ko store karne ke liye electric charge ka prayog karta hai. Yeh tiny transistors se bana hota hai. Yeh transistor alag alag cells mein ek sath jod diya jata hai jo ki ek bit kehlaya jata hai. Bit sabse chhota unit hota hai jis se data store kiya ja sakta hai aur retrieve kiya bhi ja sakta hai. Bahot se digital memories non-volatile hote hain, yeh matlab hai ki agar power off kari jae to data lose nahi hota.
Addressing
Digital memory addressing ka istemal data locate aur access karne ke liye hota hai yani ki iske through hum kisi data ko search kar sakte hain. Addressing ka yeh matlab hota hai ki data ke liye ek unique identifier assign karna, jise ham address kehte hain.
Data ko address karne ke liye ek addressing scheme ki jarurat padti hai. Addressing scheme ek set of rules hota hai jo data ko store karne ke liye decide karta hai. Yeh physical ya fir virtual ho sakta hai. Physical addressing physical location ko reference karta hai. Yeh is baat ka matlab hota hai ki har memory cell ko address diya jata hai jisse ki desired cell ko identify kiya ja sake. Virtual addressing logical location ko reference karta hai. Iska matlab hai ki memory cells mein physical address nahi hota par data ko reference karke retrieve kiya ja sakta hai.
Capacity
Digital memory ke andar capacity bhi ek zaroori principle hai. Yeh iska matlab hai ki memory system mein store hoga data kitna jyada ho sakta hai. Iskeliye bytes, kilobytes, megabytes aur gigabytes ki measurement hoti hai.
Memory system ki capacity bahot se factors se decide hoti hai. Sabse badi factor size of memory cells hoti hai. Chhote size wali memory cells ki capacity kam hoti hai kyunki wo kam bit store kar sakti hain. Cells ki quantity bhi kaafi badi role play karti hai kyunki yeh decide karta hai ki kul Kitne bit store kar sakte hain.
Conclusion
Digital memory modern technology ke liye bahot zaroori hai. Iski principles jo addressing aur capacity hai inhi ki behad zaroorat parti hai isliye jankari retrieve aur data store karne mein. Is article se umeed hai ki digital memory ke andar kaise kaam karta hai iska samajh mein aane mein madad milegi.
