HDD devices are extensively used to store and retrieve data. It consists of one or more stiff rapidly rotating disks that are covered with magnetic material. These disks contains the magnetic heads that has the capability to read and write data to and from their surfaces. These devices act as secondary storage systems in computers and are classified as digital, magnetic, non-volatile, random access, and data storage devices. There are basically two kinds of HDD, internal and the external wherein the internal is placed inside the computer and makes do with the user’s software and personal files, the external resides outside the computer and can be used when the internal HDD memory does not have sufficient storage capacity.

As per the ... Read more »

Market analysts predict that global spend on engineering services market would increase from USD 930 billion in 2012 to more than USD 1.4 trillion by 2020. This amounts to almost about 50% growth in less than a decade. The engineering services include the design services for building and infrastructure projects, industrial equipment, environmental projects, and construction management of projects, asset management and operation of industrial processes. These services also sustain end-users activities like the funding of the projects, asset management, feasibility studies, process management, procurement of contractors and suppliers, project design and management, and quality management assessment and accreditation. Of the engineering services market size, the biggest vertica ... Read more »