Table of Contents
Are all analog signals continuous?
An analog signal is continuous in both time and amplitude. Analog signals in the real world include current, voltage, temperature, pressure, light intensity, and so on. The digital signal contains the digital values converted from the analog signal at the specified time instants.
Does analog computer process discontinuous data?
Analog data is not discrete, but rather is of a continuous nature. Examples of such data are pressure, temperature, voltage, speed and weight. An analog computer makes use of continuous values and not discrete values. Because of this, processes with an analog computer cannot be repeated for exact equivalent results.
Can computers process analog information?
In such systems, the digital computer controlled the analog computer, providing initial set-up, initiating multiple analog runs, and automatically feeding and collecting data. The digital computer may also participate to the calculation itself using analog-to-digital and digital-to-analog converters.
Does analog mean continuous?
Analog signals represent one continuous variable as the result of another continuous time-based variable. They are capable of outputting continuous information with a theoretically infinite number of possible values.
Is analog continuous and digital discrete?
Continuous time signal: X-axis (time) is continuous and Y-axis (amplitude) may be continuous or discrete. Digital signal: Y-axis (amplitude) is discrete and X-axis (time) may be continuous or discrete. Analog signal: Y-axis (amplitude) is continuous and X-axis (time) may be continuous or discrete.
How analog computer are different from digital computer?
Analog computers works with continuous values or these types of systems process continuous data. Digital computers works with discrete values or these types of systems process discrete data.
How analog signal is different from continuous signal?
A continuous signal cannot be stored, or processed, in a computer since it would require infinite data. Analog signals must be discretized (digitized) to produce a finite set of numbers for computer use. When analog signals are brought into a computer, they must be made discrete (finite and countable).
Which signal is continuous?
The electrical signals derived in proportion with the physical quantities such as temperature, pressure, sound etc. are generally continuous signals. Other examples of continuous signals are sine wave, cosine wave, triangular wave etc.
Is a computer digital or analog?
Say the word “computer” or “computation” and the instinctively associated concept is “digital.” That makes sense since most computers and computation functions are implemented with general digital logic, specialized arithmetic logic units (ALUs), or dedicated computing engines But “most” does not mean “all.”
What are the advantages of analog over digital communication?
Analog signals use less bandwidth than digital signals. Analog signals provide a more accurate representation of changes in physical phenomena, such as sound, light, temperature, position, or pressure. Analog communication systems are less sensitive in terms of electrical tolerance.
What is an analog signal?
In theory, we can use the term “analog signal” to describe any continuous signal that uses one time-variable quantity to represent another (such as mechanical systems like a dial thermometer). But for our purposes, we use it most commonly to describe electrical signals.
How accurate is non-electronic analog computing?
Although non-electronic analog computing is accurate to only two, three, perhaps four significant figures, it was used with great effectiveness by engineers, scientists, and others until it was made obsolete by the mechanical calculator machine in the 1940s and 1950s, and electronic calculator in the 1960s and 1970s.