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Explain new services of CPU Based Exchange.
These new services are termed as supplementary services and several of the prominent ones are given below as:
Category 1:
Category 2:
Category 3:
Category 4:
Issues commands of a subscriber to an exchange to deactivate or activate a service, record or solicit an acknowledgement or clear data in the subscriber line data area from the exchange. As an illustration, a user may enable or disable STD service on his line by using a command. A command may be or not have data related with this. The number of digits in the data, while present, may vary depending on the command. As an effect, subscriber commands are designed to be of variable length requiring the use of an end-of-command symbol.
Q. What is Compact Disk Recordable? To accommodate applications in which just one or a small number of copies of a set data is required write-once read-many CD called as CD Rec
Standard typewriter : You must have seen this manually operated machine. Standard typewriters of various makes such as Remington, Fact, Godrej, etc., are available in the market.
Find out how many words can be formed out of the letters of the word DAUGHTER such that (i) The vowels are all time together. (ii) The vowels occupy even places. Ans:
Data Transfer Two most fundamental data transfer instructions in 8086 microprocessor are XCHG and MOV. Let's give illustrations of the use of these instructions. Program 1:
Q. How can data and instructions are put into the computers? The data and instructions to a computer are provided by external environment. It determines that input devices are
Spirit Duplicating Equipment Required Spirit Duplicator (also known as hectograph) Thermal copier (optional) Materials Masters Hectographic carbon COPY pa
Q. How can we use Ordered Lists? Lists having numbered items are termed as ordered lists. They are used when items in the list have a natural order. They can also be used when
Explain a public key encryption system? A public key encryption system permits only the correct receiver to decode the data.
Q. Illustrate about Packet switching? Packet switching is used to avoid long delays in transmitting data over the network. Packet switching is a technique that limits the amoun
What is interactive reporting? A classical non-interactive report having of one program that makes a single list. Instead of one extensive and detailed list, with interactive
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