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DATA TRANSMISSION:
When we talk on the telephone we generally transmit a message to someone else. The message is made up of words that we speak into the telephone instrument. The human voice causes sound to be formed into words; these sounds are transmitted in the form of acoustical wave patterns into the telephone instrument where they are translated into electronic wave patterns. These wave patterns are transmitted over a channel to their destination where they are converted back into sound waves received by the human ear. It may be mentioned that all electronic transmission takes place by means of wave patterns. There are two major patterns. They are analog and digital.
There are two methods to work with files, the first one is through file control blocks or "FCB" and the second one is through communication channels, also identified as "handles".
COMPUTER DATABASES: As would be evident from the foregoing description, literature search is essentially a process of information retrieval. The term "Information Retrieval" w
COMPONENTS OF A COMPUTER: We use a computing system basically to feed in some data that is processed by the computer and some information is generated as a result.. For this w
How can I draw a cylinder between 2 points
The unconditional jumps in a written program in assembler language are specified by the jmp instruction; a jump is to moves the flow of the execution of a program by sending the co
The primary step is to start the Debug; this step only consists of typing debug [Enter] on the operative system on time. the "a" (assemble) command is used To assemble a program on
What are advantages of totem pole over passive pull up circuit ?
Binary Codes: We have seen earlier that digital computers use signals that have two distinct values and there exists a direct analogy between binary signals and binary digits.
Looping Statement: The purpose of a loop structure is to repeat certain tasks until some condition is satisfied. Several variations of a loop structure are available in each pro
What Features Should the Software Contain? Although the needs of every nursing department, hospital, pharmacy, would vary, certain common features are desirable in the software
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