Computer Architecture Questions and Answers

What is the need of Memory Hierarchy?

It is accustomed in the construction of computers while examining the matters of accomplishment in the device. The memory hierarchy in the storage space of computers recognizes every degree or stage of the categorization of a group of people according to the ability or status. The various interchanges in conniving for malodorous presentation and interpretations will consider the arrangement of retention hierarchy, which include the dimensions and the scientific method of every element. The different elements can be displayed in contouring a hierarchy of storage space.

The group or section of memory is a significant element in the computer systems because it is required for saving the system of services and the factual information. An unpretentious computer system which has restricted functions and softwares might be capable to carry out its prospective assignment lacing the necessity of extra space and range. The entire remembrance ability of a computer system can be envisioned as the hierarchy of elements.

The lowest part of the hierarchy contains comparatively tedious irresistible strips that are used to save the programs and documents that cannot be removed. The basic aim of the memory hierarchy is to achieve the greatest attainable medium acquired precipitate during the time by reducing the whole price of the complete storage arrangement.

What are Flag Registers?

Flag Registers
Image source:

A flag register is an alternate that signify a few situations that are created by the style and technique of an imparted knowledge or conducts inevitable functions of EU. The flag register is 16 chips elongated. It does not carry a single digit, in fact it has a set of chips. It terminates the circulating region of the central processing unit. They are altered mechanically by the central processing unit after the exact and absolute functioning. This will permit to consider the kind of the outcome, and to discover the perquisites in order to shift the power to the rest of the portions of the program. Normally, these registers are not instantly visible or acquired.

Flag registers are chips that give guidance related to the reasonable situations that persisted as an outcome of the result of a performance that took place according to the imparted knowledge. This enables the supervened information to process consequently. There are various categories of flags that are processed in their own ways. The flags activate and deactivate indisputable functions of the central processing unit. Due to the fact that all kinds of flag registers are elongated having 16 chips, they can hold the information and data in the space of capacity storage within the purview of 64k units or bits.