Computer Knowledge
1. The essential characteristic of a testing plan is that it will ______.
(1) Illustrate the hierarchy of tasks and subtasks that are needed in order to perform the overall objectives of a program.
(2) Result in a tentative project schedule and evaluate potential system development proposals.
(3) Identify the people and resources needed to test and validate a new computer program or system.
(4) Identify the set of inputs that should be given to a program in order to determine if it operates correctly.
(5) None of these
Ans. (4) Identify the set of inputs that should be given to a program in order to determine if it operates correctly.
2. Classes, instances, and methods are characteristics of ________.
(1) Testing plan construction
(2) Artificial intelligence techniques
(3) Object-oriented design
(4) Flowcharts and pseudo code
(5) Data Structure
Ans. (3) Classes, instances, and methods are characteristics of Object oriented design.
3. Third-generation programming languages are _______.
(1) High-level.
(2) Binary.
(3) Non-procedural
(4) Procedural
(5) None of these
Ans. (1) Third-generation programming languages are High-level language.
4. A database management system are very complex_____:
(1) Art
(2) Command
(3) Languages
(4) System
(5) Hardware
Ans. (4) A database management system are very complex System.
5. How many levels of abstraction in DBMS:?
(1) 2
(2) 3
(3) 4
(4) 5
(5) 1
Ans. (2) There are 3 level of abstraction in DBMS.
6. How many types of data independence?
(1) 1
(2) 2
(3) 3
(4) 4
(5) 2
Ans. (2) There are 2 types of data.
7. Which are the types of data independence?
(1) Physical
(2) Logical
(3) Symetrical
(4) Schema
(5) Both 1 and 2
Ans. (5) There are two types of data independence.
8. Which is the transformation of requests and results between different levels of abstraction?
(1) Evaluation
(2) Mapping
(3) Compiler
(4) Precompiler
(5) Validation
Ans. (2) This process of transforming the requests and results between various levels of DBMS architecture is known as mapping.
9. Which mapping exists between the external and conceptual levels?
(1) Conceptual
(2) Internal/ conceptual
(3) External/ conceptual
(4) External/Internal
(5) Internal
Ans. (3) External/ conceptual mapping exists between the external and conceptual levels.
10. The related and interconnected software components of a DBMS are described by the _______:
(1) Logical architecture
(2) Physical architecture
(3) Two tier architecture
(4) External
(5) Both 1 and 2
Ans. (5) The related and interconnected software components of a DBMS are described by the Logical architecture and Physical architecture
