What is memory and storage?

Memory and storage

The performance of memory and storage devices comes from their speed and storage capacity.
Faster speed and lots of storage space make a better user experience

Comments

Post a Comment

Popular posts from this blog

A software just like Photoshop, but free!

Photoshop is expensive, there is no denying that. But thankfully there is a free alternative to Photoshop: Paintdotnet ( getpaint.net ). "Paint.NET is a free image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers , unlimited undo, special effects, and a wide variety of useful and powerful tools." "An active and growing online community provides friendly help, tutorials, and plugins." "It started development as an undergraduate college senior design project mentored by Microsoft, and is currently being maintained by some of the alumni that originally worked on it." "Originally intended as a free replacement for the Microsoft Paint software that comes with Windows, it has grown into a powerful yet simple image and photo editor tool." "It has been compared to other digital photo editing software packages such as Adobe® Photoshop®, Corel®Paint Shop Pro®, Microso...
Read more

Programming - Data types and data structures.

Data Types Programs need to use data for calculations, comparisons, and for output to various devices. The best programs will allways use the most appropriate data types to make the most effective use of memory and to ensure that only the correct types of data are allowed to be input. A variable can be declared to have a data type, including: = character – allows any single letter or number = string – allows any combination of letters, numbers and spaces = integer – for whole numbers = real – for numbers with whole parts and fractional parts = Boolean – can only hold true or false Data structures Programs allow the use of data structures with variables including records and simple arrays. They are defined below: -           A record, data structure contains fields to store information In a similar way to a database table. -           An array of data structure is a variable with many parts, in simp...
Read more

What is software? - Including 'off the shelf software' and 'custom made' / 'bespoke' software.

Different types of computer software Software – is any program that can run on a computer containing a microprocessor, when a program runs, it directs the operation of the technology system by controlling the processing and peripheral devices. There are two main categories of software: Off the shelf – These programs are usually cheaper than custom made software; they are instantly available, well tested, bug-free, with good support available from books or the internet. Eg. Microsoft Office. Custom Made – These programs are written especially for the client to meet a specific need. Custom made (aka Bespoke) programs usually take weeks or months to write, but will deliver exactly what the client specified. Some organisations commission custom-made software to solve a specific problem, such as carrying out financial transactions or a robot control program for an automated car production line.
Read more