Explain memory write ability and storage permanence with suitable diagram.

1 Answer

Answer :

Write ability and storage permanence of memories:

Write ability is the manner and speed at which memory can be written.

Storage permanence is the ability of memory to hold stored bits after they are written.

image

Write ability:

Ranges of write ability:

High end

The processor writes to memory simply and quickly. E.g. RAM

Middle range

The processor writes to memory, but slower. E.g. Flash, EEPROM (Electrically Erasable and Programmable Read Only Memory)

Lower range

Special equipment,"programmer" must be used to write memory. E.g. EPROM, OTP ROM (One Time Programmable Read Only Memory)

Low end

Bits stored only during fabrication. E.g. Mask-programmed ROM

In system programmable memory

Can be written to by a processor in the embedded system using the memory.

Memories in high end and middle range of write ability.


Storage permanence:

It is the ability to hold the stored bits.

The range of storage permanence

High end

Essentially never losses bits. E.g. mask-programmed ROM

Middle range

Hold bits days, months, or years after memory's power source turned off. E.g. NVRAM

Lower range

Holds bits as long as power supplied to memory. E.g. SRAM

Low end

Begins to lose bits almost immediately after written. E.g. DRAM

Nonvolatile memory

Holds bits after power is no longer supplied.

High end and middle range of storage permanence.

Hi,
Are you the author of that image?
Thanks

Related questions

Description : What is Object Permanence?

Last Answer : Object Permanence is the ability of a child to retain visual images, even when it is not visible. This is acquired by a child between 8 and 12 months of age, and it is considered to be a milestone ... And if it is not found, he will look around that place, or search in the next probable location.

Description : The average time required to reach a storage location in the memory to read or retrieve the contents of memory is called as A) Turnaround time B) Latency time C) Access time D) Response time

Last Answer : The average time required to reach a storage location in the memory to read or retrieve the contents of memory is called as Access time

Description : Based on temperature withstanding ability, classify insulating material. 

Last Answer : class Temperature withstanding ability in 0C Materials Y 90 Cotton, silk paper and similar organic materials neither impregnated nor immersed in any oil, rubber, PVC. A 105 ... rubber compounds C Above 180  Mica, ceramics, glass, Teflon, quartz, etc. 

Description : Explain the advantages and disadvantages of using memory I/O and standard I/O.

Last Answer : Memory mapped I/O and standard I/O are the two methods for communicating microprocessor with peripherals. Processor talks to both memory and peripheral using the same bus.Two ways to talk to a peripheral. ... of standard I/O is no loss of memory addresses to the use as I/O addresses.

Description : Explain memory hierarchy.

Last Answer : Memory hierarchy: Main memory is large, inexpensive, slow memory stores entire program and data. Cache memory is small, expensive, fast memory stores copy of likely accessed parts of large ... In memory hierarchy the smaller memory is faster and larger memory storage is slower.

Last Answer : Shared memory :For sharing of data faster and communication between programs, we use shared memory. Shared memory can be used with multiprocessors and single processors. Means Program ... No resource preemption4. Circular waitIf the four conditions occur simultaneously then the deadlock occurs.

Description : Sun Tzu said "Can you imagine what I would do if I could do all I can?" What would you do?

Last Answer : I would write at least one novel. I have a strong desire to do this. I would keep doing the work I am doing though. I would buy/build a house overlooking the ocean. I have always felt a ... might help them to stay on the right path. I would build accommodation for women and children who need refuge.

Description : EEPROM VS FLASH MEMORY

Last Answer : EEPROM VS FLASH MEMORY

Description : With a neat diagram explain pumped storage hydro power plant. 

Last Answer : Diagram of pumped storage hydro power plant: Explanation: In this power plant, generator is so designed that it Converts mechanical power into electrical power and also works as a ... helps in reducing a reserve capacity of PP as it provides additional power during peak load period. 

Description : Write a note on ATP?  

Last Answer : ATP is abbreviation of adenosine tri-phosphate. Composition: - It is made up of three-phosphate group. Adenosine is formed of nitrogenous base (adenine) and sugar (ribose). In ATP three- ... broken down a large amount of energy is released which is used in different activities of organism.  

Description : 11 Ways to Write Better Blog Entries

Last Answer : Writing, being a primal form of communication, is a skill that can be developed by anyone. Of course, everyone can write, given how language is used in everyday life. The challenge is, the proper construction ... one is as easy as pie. Find out how to start a blog and put your thoughts online.

Description : How to Write an Essay

Last Answer : How to Write an Essay For those of us in school, essays are a huge part of many classes. Whether you are enrolled in a literature class, history class or even studying the social sciences ... adding bows and ribbons can detract from your overall paper and might be frowned upon by your professor.

Description : How to Write a Research Paper

Last Answer : How to Write a Research Paper Is it that time of year again, when your teacher or professor requires you to write a research paper in order to pass the class? If you need to pass a class, ... . For more information regarding this article, read the Top 10 ways to make a difference using a pen.

Description : How to Write a Paragraph

Last Answer : How to Write a Paragraph Whether it's an essay, a novel, or part of an academic paper, the paragraph makes up the body of the full text. Paragraphs are related sentences organized to convey a ... they are. With these tips, you can build an effective paragraph that can best convey your message.

Description : How to Write a Lecture

Last Answer : How to Write a Lecture Many professors, instructors, and educators can present a lecture with the barest minimum of notes and presentations. For first-time lecturers, though, presenting a lecture can ... first lecture and make a promising delivery that can make - or break - your academic dreams.

Description : How to Write an Employee Evaluation

Last Answer : How to Write an Employee Evaluation One of the most important tasks of human resources departments is to write employee evaluations. The future of an employee in any company rests on the employee evaluation ... the company for the good of the business, and for his or her personal growth as well.

Description : How to Write a Resume

Last Answer : How to Write a Resume In today's society, one of the most important documents that you will need to create is a resume. A resume is usually a one page document that is used by an individual to apply ... quality paper and that there are no smudges or dirt on the page when you send it to an employer.

Description : How to Write a Press Release

Last Answer : How to Write a Press Release Whether you're advertising a product, service, or event, a good press release starts with a coherent structure and good writing. While many people have excellent writing ... . With these tips, you can get just the right press release to attract the right customers.

Description : How to Write a Mission Statement

Last Answer : How to Write a Mission Statement Writing your company's mission statement should be given importance. Time, effort and creativity are needed to accomplish this. Now if you are planning to write it up, ... business-related undertakings. If you feel that it needs revision, do not hesitate to do so!

Description : How to Write a Letter

Last Answer : How to Write a Letter In this day and age of text messages, chat and e-mail, following the proper letter format may seem strange and mundane. However, having a properly-constructed letter is crucial ... hand corner of the envelope. Paste the stamps on the upper right hand corner of the envelope.

Description : How to Write a Fundraising Letter

Last Answer : How to Write a Fundraising Letter A letter can be written by anyone, but if you talk about writing fundraising letters, then an amateur is certainly not fit for it. Copywriting is only for big ... after the date. Do not delay following these tips because if you do, you delay raising funds.

Description : How to Write a Cover Letter

Last Answer : How to Write a Cover Letter For those seeking job opportunities, just a resume isn't enough. While a resume does give a potential employer an idea of what your past achievements and work history have been, ... your life story in a cover letter. Sign the cover letter with a blue or black ink pen.

Description : How to Write a Business Plan

Last Answer : 11. Industry Analysis You know that your industry is going to be big in the future. Not just big, but BIG. It's going to be the next Internet, right? That's all fine and dandy, but the likelihood ... -Don't make vague or unsubstantiated statements. You're well on your way. Now go do it. Good luck!

Description : How to Write a Book

Last Answer : How to Write a Book Many of us come up with a great idea for a book at least once in our lifetime and while most of us don't act on the urge to write a book, the few that do are ... themselves, friends or family they can easily print out a dozen or less books just for their personal, private use.

Description : How to Write to Bill Gates

Last Answer : How to Write to Bill Gates While there's a very slim chance that Bill Gates - one of the richest men in the world and the founder of Microsoft Corporation - will get to read your letter or e- ... yourself with the fact that you wrote a letter to one of the most influential people in the world today.

Description : How to Write a Business Letter ?

Last Answer : How to Write a Business Letter Whether you work for a corporation or own a small business, there are times that writing a business letter is necessary. With email and voice mail, business ... business letter with a phone call or meeting. Sincerely, (Signature) Thomas Brown Chief Executive Officer

Description : How to Write A Resignation Letter ?

Last Answer : There comes a time when your job, even if it's enjoyable, becomes a hindrance to your future plans. You may want to give it another shot, but by doing so, you are merely delaying the ... you wrote your letter. Chances are, your company might be instrumental in securing one of your dream jobs.

Description : How to Write a Reference Letter ?

Last Answer : How to Write a Reference Letter Reference letters can be an extremely important resource when one applies for a job, college, renting an apartment, etc. Many of us are asked by our friends, ... it from you; this is a personal decision. Some reference letter writers choose to keep it private.

Description : How to Write a Letter ?

Last Answer : How to Write a Letter In this day and age of text messages, chat and e-mail, following the proper letter format may seem strange and mundane. However, having a properly-constructed letter is crucial ... hand corner of the envelope. Paste the stamps on the upper right hand corner of the envelope.

Description : How to Write an Apology Letter ?

Last Answer : How to Write an Apology Letter Sometime in the course of your life, you're bound to run into an argument or disagreement with someone you know. Sometimes the argument ends peaceably, other times ... and go on about with your life. For more information regarding this article, read how to apologize.

Description : How to Write a Job Transfer Request ?

Last Answer : How to Write a Job Transfer Request No matter which type of industry you are in, there may come a point in your career when you would not want to settle for the current position that you have at ... push that your boss needs to finally take notice of the work that you have been doing in the past.

Description : How to Write a Check ?

Last Answer : How to Write a Check Taking care of your finances is crucial especially now that you're earning your own money. You now have bills to take care of and a bank account to maintain and update ... Just follow the tips mentioned above and you will be writing and handing out those checks in no time.

Description : How to Write a Book Report ?

Last Answer : How to Write a Book Report A book report is just a summary of what you have read in a book. It is easy to master the necessary skills needed to write a book report. Requirements You'll ... your critical thinking and writing skills. In the end, you will always benefit from a well-made book report.

Description : How to Write a Short Autobiography ?

Last Answer : How to Write a Short Autobiography You may be asked to write a short autobiography every now and then, whether it's for a school assignment, a job application, or a contest you want to join. ... Writing an autobiography does not have to take you too long, provided you have these tips in mind.

Description : How to Write an Autobiography ?

Last Answer : How to Write an Autobiography First and foremost, one must understand what an autobiography is. Merriam-Webster's definition is simply the biography of a person narrated by that person. Writing an autobiography can ... Lewis said, You only live once - but if you work it right, once is enough.

Description : How to Write Memoirs ?

Last Answer : How to Write Memoirs Everyone has a story to tell, and perhaps the most important story in the world is that of your own life. Many people want to write memoirs to tell the world of the lives they ... a moving, easy-to-read memoir that can very well win a Pulitzer or be a surprise best-seller.

Description : How to Write a Personal Ad ?

Last Answer : How to Write a Personal Ad All people need companionship and friendship, and desire to be accepted the way they are. While some people find it easy to make friends and find life companions, ... With these tips, you can hopefully create new and lasting relationships with a well-written personal ad.

Description : State the insulating materials used in motor. Write temperature class and withstand temperature ranges for them. 

Last Answer : The insulating materials used in motor are as belows: 1. Cotton, 2. Silk, or paper, 3. Press board, 4. Resins 5. PVC 6. Cellulose-Fiber, 7. Enameled coating, etc  ... Over 180° Mica, porcelain, ceramics, glass quartz, asbestos, treated glass fiber or treated asbestos. etc.

Description : Write the ladder program for 24 hour clock.

Last Answer : Ladder Program for 24 hour clock:

Description : Write applications of each of the following:(i) Fuse (ii) MCB (iii) MCCB.

Last Answer : i) Applications of fuse:  * Used in domestic installations to provide short circuit protection.  * Used in commercial / Industrial installations to provide overload and short circuit protection.  * Used in ...  * Rectifiers panels,  * U.P.S, Electronic equipment,  * Motors,  * Furnaces

Description : Write two applications of D.C. series motor. 

Last Answer : The applications of D.C. series motor: 1. Cranes 2. Hoists 3. Trolley and cars 4. Conveyors 5. For traction work i.e. electric locomotives 6. Elevator 7. Air compressor

Description : Explain working of a storage type water cooler with a sketch. 

Last Answer : The storage type cooler has the evaporator coil soldered on to the walls of the storage tank of the cooler, generally on to the outside surface of the walls. The tank could be of the ... outside at a lower level, much below the lower most evaporator refrigerant tube soildered on to the tank. 

Description : Explain the working of pump storage plant and also state its advantages. 

Last Answer : Working of Pumped storage hydroelectric power plant :-  It consists of head water pond (reservoir) and tail water pond by constructing a dam at tail race path.  Tail water pond and ... install as well as spinning reserve capacity of TPP as it provides additional power during peak load period.

Description : Explain working of pumped storage plant.

Last Answer : Working of pumped storage hydroelectric power plant:-  It consists of head water pond (reservoir) and tail water pond by constructing a dam at tail race path. Tail water pond and head water pond ... as centrifugal pump. Raising the water from tail water pond to head water pond through penstock.

Description : If you ventured to try, how hard would it be for you to write an autobiography from memory?

Last Answer : I remember quite a bit of detail, including dates, and events back to when I was two and a half. That’s just how my mind works. For me the biggest challenge would be editing it down to an interesting read.

Description : How much iphone storage do I really need?

Last Answer : Embrace the cloud and don’t worry about it too much. I only have a 64gb phone and I just utilize cloud storage for most things. Data is different. Honestly just see how much you use a month and go from there. 1TB is probably way too much.

Description : Is this storage idea feasible? (Details inside).

Last Answer : Move the furniture closer to the center of thebroom and put shelves behind

Description : What's the most inexpensive way to ship the entire contents of a large storage locker across the country?

Last Answer : call a freight trucking company.

Description : Doesn’t more room in general and that for storage a catalyst for creating more “stuff”?

Last Answer : answer:I believe it’s called “induced demand.” When roads are widened; they quickly fill with traffic. When a person has extra storage space, it gets packed with new stuff. Early- and mid-20th century houses were smaller, and had fewer closets, than new houses. People owned less.

Description : Have you ever used your mail box as a storage box?

Last Answer : Here in the US we can olny put mail in our mail boxes. Even the newspaper delivery must go in a different slot or compartment. (This is rarely, if ever, enforced.)