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Describe about the Environmental model
It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if software is developed for a college, then college would be part of University. If it's developed for University, University will be part of national educational system. Hence, when model of the system is made these external interfaces are defined. These interfaces reflect system's relationship with external universe (known as environment). Environment of a college system is demonstrated in figure below.
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
Question 1 Explain the categories of Embedded Systems Question 2 Write a note on Serial Interface in 8051 Question 3 Explain the various types of addressing modes in 805
Question: (a) What mechanism does illegal spammers exploit to send spam? (b) What is a hoax? (c) Name two ways in which you can increase the privacy of e-mail. (d)
What are the various testing strategies for conventional software? i. Unit testing ii. Integration testing. iii. Validation testing. iv. System testing.
Write about software change strategies. The software change methods that could be applied separately or together are: Software maintenance - The alters are made in the software
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Hardware Requirements: INMAGIC Plus software package requires the following computer configuration: i) Micro : IBM PC or compatible with a minimum 640 K RAM. ii) Ope
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