Computer Awareness Questions for SBI PO 2017 |

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Q1. What does DBMS stand for?
(a) Data Management System
(b) Database Management System
(c) Database Management Server
(d) Database Maintenance Server
(e) Data Management Server

Q2. Which of the following diagrams graphically represents an inter-relationship among entities in a database?
(a) Entity-relationship diagram
(b) Data flow diagram
(c) Control flow diagram
(d) Sequence diagram
(e) None of these

Q3. Which of the following keys is a field in one table that is used as a primary key field in another table?
(a) Primary key
(b) Foreign key
(c) Candidate key
(d) Identity key
(e) None of these

Q4. By what name are two or more fields of a database table called when they are collectively used to specify the primary key?
(a) Composite key
(b) Primary key
(c) Foreign key
(d) Candidate key
(e) Identity key

Q5. A database table has two fields or columns that can be selected as the primary key. The first field or column will always be considered as the primary key, and the second field or column is called the _____________.
(a) Primary key
(b) Candidate key
(c) Composite key
(d) Foreign key
(e) Identity key

Q6. Which of the following is not a normal form in DBMS?
(a) First Normal Form (1NF)
(b) Second Normal Form (2NF)
(c) Third Normal Form (3NF)
(d) Ninth Normal For (9NF)
(e) Boyce-Codd Normal Form (BCNF)

Q7. Which of the following correctly describes the use of an interpreter?
(a) Convert small processes into smaller processes
(b) Convert high-level language into low-level language
(c) Convert low-level language into high-level language
(d) Manages the kernel and shell communication
(e) None of these

Q8. Which of the following statements is incorrect about the UNIQUE KEY constraint?
(a) Unique key columns do not accept duplicate values.
(b) One table can have only one unique key.
(c) By default, unique key columns accept null values unless the NOT NULL constraint is specified.
(d) The same combinations of columns should not make both unique and primary keys.
(e) None of these

Q9. Which of the following heading elements displays text with the same size as the normal text written in an HTML document?
(a) <H1>
(b) <H2>
(c) <H3>
(d) <H4>
(e) <H5>

Q10. Which of the following HTML tags is a logical style tag?
(a) <B>
(b) <I>
(c) <SMALL>
(d) <ABBR>
(e) None of these

Q11. What does DDoS stand for?
(a) Data Denial-of-Service
(b) Distributed Denial-of-Service
(c) Distributed Data of Server
(d) Distribution of Data Service
(e) None of these

Q12. Which of the following statements is incorrect about a message-switched network?
(a) It reduces traffic congestion.
(b) It allows prioritizing of messages.
(c) It allows broadcasting of messages.
(d) It is an inexpensive network.
(e) It is not compatible with videoconferencing.

Q13. Which of the following statements is false in the context of client/server network?
(a) It is expensive to set up.
(b) It requires a specialized server.
(c) It is a slow network.
(d) It is highly secure.
(e) It is a congested network.

Q14. A pathway inside a computer that carries data between hardware components is called _____________.
(a) carrier signal
(b) data bus
(c) digital signal
(d) analog signal
(e) switching

Q15. Which of the following is related to simplex communication?
(a) Single wire and two-sided communication
(b) Television
(c) Two-wire communication
(d) Walkie-talkie
(e) None of these