Can you think of an abstraction of how a computer as a whole works?
Table of Contents
- 1 Can you think of an abstraction of how a computer as a whole works?
- 2 What is the lowest level of abstraction in how a computer works?
- 3 How does the computer level hierarchy help us understand computer system?
- 4 Does the analog and digital computer follow the same principle?
- 5 Is there a need for high-level abstractions for parallel systems?
- 6 What are the key aspects of modern computer systems?
Can you think of an abstraction of how a computer as a whole works?
In software engineering and computer science, abstraction is a technique for arranging complexity of computer systems. It works by establishing a level of complexity on which a person interacts with the system, suppressing the more complex details below the current level.
What is the lowest level of abstraction in how a computer works?
Logic gates, which are the lowest abstraction level of the digital domain, operate on ones and zeros.
What is the highest level of abstraction in how a computer works?
entire system
The highest level of abstraction is the entire system.
What is the difference between the analogue domain and digital domain in computer abstraction?
Digital means information that is represented as ones and zeros. Analog means information that is represented by signals that vary continuously (that is, including in-between values).
How does the computer level hierarchy help us understand computer system?
Computer System Level Hierarchy is the combination of different levels that connects the computer with the user and that makes the use of the computer. It also describes how the computational activities are performed on the computer and it shows all the elements used in different levels of system.
Does the analog and digital computer follow the same principle?
They use continuous values rather than discrete values so they work on analog signal. At the time of at the time of the 1950s–1960s these analog computers were first used….Difference between Analog Computer and Digital Computer :
| S.No. | ANALOG COMPUTER | DIGITAL COMPUTER |
|---|---|---|
| 16. | They are usually special purpose devices. | It can be general purpose devices. |
What are the 3 main differences between analog and digital signals?
Difference Between Analog and Digital Signal
| Analog | Digital |
|---|---|
| An analog signal is a continuous signal that represents physical measurements. | Digital signals are time separated signals which are generated using digital modulation. |
| It is denoted by sine waves | It is denoted by square waves |
Why is algorithmic thinking important in computer science?
Algorithmic thinking is a derivative of computer science and the process to develop code and program applications. This approach automates the problem-solving process by creating a series of systematic, logical steps that intake a defined set of inputs and produce a defined set of outputs based on these.
Is there a need for high-level abstractions for parallel systems?
There is a serious need for research and education in the creation and use of high-level abstractions for parallel systems. However, single-task performance is no longer the only metric of interest. The market for computers is so large that there is plenty of economic incentive to create more specialized and hence more cost-effective machines.
What are the key aspects of modern computer systems?
Another key aspect of modern computer systems is their ability to communicate, or network, with one another. Programmers can write programs that make use of multiple CPU cores within a single computer system or that make use of multiple computer systems to increase performance or to solve larger, harder problems.
Why is it difficult to define embedded systems accurately?
It is difficult to define embedded systems accurately because their space of applicability is huge—orders of magnitude larger than the general-purpose computing systems of desktops, laptops, and servers.
How has the success of the microcomputer affected other computer models?
The success of the general-purpose microcomputer, which has been due primarily to economies of scale, has had a devastating effect on the development of alternative computer and programming models. The effect can be seen in high-end machines like supercomputers and in low-end consumer devices, such as media processors.