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The operation of subtraction is just the inverse of addition, if you can do one you can do the other. BTW, are you thinking analog or digital IC? If digital there are ALU IC chips that do both, depending ..
Cathode ray oscilloscopes are relatively fragile and expensive. They can also be less accurate than other option. One advantage that they do have is that they are well protected from damage if a signal is significantly stronger than expected.
logic analyzer advantages
Unwanted Errors of precision when the analog signal is converted into a quantized, sampled digital signal. The same error arises when the digital signal is then converted into an analog signal for the plant to use.
Adv. Digital · easy to store and use, that is why computers use it. · Digital data is designed and artificially created, so it is efficient. · Less expensive . DSP is easier to reconfigure as it is made up of h/w as well as s/w. Disadv. Digital · Digital communications require greater bandwidth than analogue to transmit the same information. . Due to Quantisation , an error is alwz there.
These tests are invasive and can actually cause a stroke
What technique creates a three dimensional dynamic image of blood vessels
In digital subtraction angiography (DSA), an image is obtained prior to the introduction of the radio-opaque contrast medium. This image is then digitally "subtracted" by turning it into a "negative" and then superimposing the image onto images acquired after the injection of contrast. This theoretically results in everything but the image of contrast within the vessel being subtracted, or removed, leaving a clearer picture. Often due to patient movement, breathing etc, the two images do not exactly superimpose and some residual shadow of the surrounding structures may be visible.
substraction
advantages, disadvantages of digital control systems
NO
An advantage to switching to digital television is that it is a precise way to deliver television signals. A drawback is that everyone couldnâ??t upgrade and some people had to buy additional equipment to watch television.
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advantages: more reliable easy to minipulate compatibility with other digital systems disadvantages: sampling error
They are easier to read.
Digital publishing has allowed for new & innovative ways of delivering content to user.Describe some new technologies in the publishing industry, explaining the advantages & disadvantages associated with each of them.How has digital publishing changed the publishing industry ? Who are the major players in digital publishing?
Advantages: It's digital. Disavantages: It's not analogue.