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Development of information system must be considered as capital investment: The developer of an information system must think about different solutions of a particular problem and each solution must be evaluated for risk management and cost-effectiveness. Cost-effectiveness is defined as the result attained by striking a balance between cost of developing and operating an information system and benefits derived from that system. Risk management is stated as the process of identifying and evaluating as well as controlling what might go wrong in a project before it turns out to be a threat to successful completion of project or implementation of information system.
Multiple feasibility checkpoints must be built into system development methodology. At every feasibility checkpoint, all costs are considered sunk (which means not recoverable). So the project must be re- evaluated at every checkpoint to determine if it remains feasible to continue investing effort, time and resources. At every checkpoint, developers must consider the below options:
Differentiate between logical address and physical address. A logical address is the address of the data word or instruction as used by a program (it includes the use of base
What is control word? A control word is a word whose individual bits show the various control signals.
In 32bit IP Addressing scheme all 1's represent? All 1's represent limited broadcast in 32 bit IP Addressing scheme.
Q. Why we use Debugger? Debugger is a program which allows the user to test as well as debug the object file. Theuser can use this program to perform subsequent functions.
Name some popular storage devices In contrasts with storage, which 1) retains data and programs irrespective of whether they are currently in use or not, (2) retains data
Imp questions solution
Purpose: Front line client service. Make bookings for vehicle servicing, accesses client database, prints invoices for clients etc. The mechanics complete worksheets for the variou
Q. Define Logical data as operand data type? Every word or byte is treated like a single unit of data. Whenever an n-bit data unit is considered as comprising n 1-bit items of
Q. What are intelligent agents? What tasks will they perform? ANSWER: Intelligent agents are software that helps you, or operate on your behalf, in performing repetitive comput
write a program that counts the number of occurrences of the string in the n-th Padovan string P(n)
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