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Q. Describe about Physical Systems?
Physical Systems are tangible entities which may be dynamic or static.
Computer Systems, Buildings,Vehicles etc. are illustrations of physical systems.
Abstract systems are conceptual entities.
Example: Company
Why must a modem be used to transmit binary data through a PSTN? (1) Use sketches and additional text to describe the following modulation methods. (a) Amplitude shift keying (b) F
What is program controlled I/O? In program controlled I/O the processor repeatedly checks a status flag to achieve the needed synchronization among the processor and an input a
Q. Benefit of digital versatile disk read only memory? The main benefit of having CAV is that individual blocks of data can be accessed at semi-random mode. So head can be move
Q. How can this arithmetic processor be associated to the CPU? Two mechanisms are used for connecting arithmetic processor to CPU. If an arithmetic processor is treated a
pipelining hazards
Virtual Private Networks (VPN) In order to encrypt/decrypt all the communication network traffic that passes through the Internet or Intranet, a VPN uses software or hardware.
Why a function can n ot call a task As functions doesn't consume time,it can do any operation which doesn't consume time. Mostly tasks are written that consumes time. So a ta
explain in RAID
What interprets can a browser contain besides HTML and HTTP? Besides an HTTP client and an HTML interpreter, a browser can have elements whihc enable the browser to perform any
1) Describe challenges involved for both the sender and the receiver in the communication process. 2) Describe the purpose of a subject line in an email message and give gui
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