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1. Explain different addressing modes of 8086
2. Write a sequence of instructions to exchange two register contents using stack
3. What is pure code? List some applications of pure code
4. Differentiate between data coupling and control coupling
5. Explain the 8288 Bus controller
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
what is 3nf
Compare the two log-based recovery schemes in terms of ease of implementation and overhead cost. Ans: There are two types of log based recovery techniques: deferred update
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
Describe file organisation? A file is organized logically as a sequence of records. These records are mapped onto disk blocks. A) Fixed-Length Records Type deposit=record
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
Advantages And Drawbacks Of Ddbms There are various reasons for building distributed database systems, with sharing of data, reliability and availability, and speedup of query
deffine class&object
What is an ERD?
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