Mutability and accessibility of primary memory, Computer Engineering

Mutability and Accessibility of primary memory:


Read/write storage or mutable storage

 It provides permit ion for the information to be overwritten at any time. A computer without some amount of read/write storage for primary storage would be useless for various tasks. Modern computers use read/write storage also for secondary storage.

Read only storage

Receive the information which  stored at the time of manufacture, and write once storage (Write Once Read Many) permit the information to be written only once at some point after manufacture. These are known as immutable storage. Immutable storage is utilized for off-line storage and tertiary.  For Examples: CD-ROM and CD-R.

Slow write, fast read storage

Read/write storage which permit information to be overwritten multiple times, but along with the write operation being much slower than the read operation? For instance: flash memory and CD-RW


Random access

In storage any location may be accessed at any moment in approximately the same amount of time. Such type of characteristic is well suited for primary & secondary storage.

Sequential access

Pieces of information will be accessed of in a serial order, one after the other; so the time to access a specific piece of information depends upon which piece of information was last accessed.

Such characteristic is distinctive of off-line storage.

Posted Date: 10/13/2012 6:08:58 AM | Location : United States

Related Discussions:- Mutability and accessibility of primary memory, Assignment Help, Ask Question on Mutability and accessibility of primary memory, Get Answer, Expert's Help, Mutability and accessibility of primary memory Discussions

Write discussion on Mutability and accessibility of primary memory
Your posts are moderated
Related Questions
Q. What is interpreter? An interpreter translates each high-level-language statement into its equivalent set of machine-language instructions, which are then executed right awa

Make a spreadsheet that has on every line an integer student identification number followed by 3 quiz grades for that student.  Go though that information from the spreadsheet into

Q. SPMD model for programming? A normal assumption was that it must be possible and not too hard to capture the SPMD model for programming MIMD computers in data parallel langu

expplain in detail the internal organisation of computer?

Q. Explain working of Bit Serial Associative Processor? When associative processor accepts bit serial memory organization subsequently it is known as bit serial associative pr

State about the Three-dimensional digitizers Three-dimensional digitizers use sonic or electromagnetic transmissions to record positions. One electromagnet transmission method

IT Management 1. Describe how the IT infrastructure is designed. 2. Explain briefly the audit planning phase in IT Audit 3. Explain localized and distributed load balanci

Question: (a) (i) Explain what do you understand by Client/server architecture? (ii) List and briefly describe 3 types of Client/server architecture. (b) The most impo

Q. Explain the Structured Design of system? Structured Design utilizes graphic description (Output of system analysis) and focuses on development of software specifications.

What are the risks by merchant's perspective in Electronic Payment Systems? Through merchant's perspective: • Copied or Forged payment instruments • Insufficient funds in