You have to change your point of view completely. You have to learn to leave bad habits and replace with new. Some fears include that you will be scared no one will like you or that you won't do good in school.
Hope that helps
Answer:
1. A. True
2. A. True
3. B. Conceptual.
4. Three (3).
Explanation:
An Entity-Relationship Model is used in databases to describe the structure and relationship between data elements known as entities.
1. True: In the Entity-Relationship Model, relationships can have attributes.
2. True: Attributes are the smallest division of data in ER diagram.
3. Conceptual: the level of abstraction which the Entity-Relationship Model most concerned with.
4. Consider the following relationship involving two entities, students and classes: A student can take many classes. A class can be taken by many students. The number of tables which can be used to represent this relationship in a schema is 3 because we are having three (3) parameters which are simply the students and the two entities.
In database management, the term "schema" is used to denote a representation of data.
A database schema is a structure which is typically used to represent the logical design of the database and as such represents how data are stored or organized and the relationships existing in a database management system. There are two (2) main categories of a database schema; physical database schema and logical database schema.
Answer:
2^7= 128
Explanation:
An instruction format characterizes the diverse part of a guidance. The fundamental segments of an instruction are opcode and operands. Here are the various terms identified with guidance design: Instruction set size tells the absolute number of guidelines characterized in the processor. Opcode size is the quantity of bits involved by the opcode which is determined by taking log of guidance set size. Operand size is the quantity of bits involved by the operand. Guidance size is determined as total of bits involved by opcode and operands.
Answer: Current Situation Evaluation, Improvement Planning, Improvement Implementation, Improvement Evaluation are the elements of SPI
Explanation:
SPI modle plans to achieve a desired task of software development in terms of Current Situation Evaluation, Improvement Planning, Improvement Implementation, Improvement Evaluation, with each having a specified and detailed role to play in the software development.
