# PPSC FPSC KPPSC BPSC SPSC Lecturer Computer Science Test 44

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 Test Instructions:- Test Name Lecturer Computer ScienceÂ Subject Computer Science Test 44 Test Type MCQs Total Questions 25 Total Time 20 Minutes Total Marks 100
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You have 20 minutes to pass to the quiz.

Lecturer Computer Science Online Test No. 44

1 / 25

Course (course_id,sec_id,semester) Here the course_id,sec_id and semester are _______ and course is a ______ .

2 / 25

A ________ in a table represents a relationship among a set of values.

3 / 25

Absolute Telnet is a telnet client for

4 / 25

The ______ is the one in which the primary key of one relation is used as a normal attribute in another relation.

5 / 25

The tuples of the relations can be of _______ order.

6 / 25

The decimal code of interpret as command (IAC) character is

7 / 25

Which operating mode of telnet is full duplex?

8 / 25

The term _______ is used to refer to a row.

9 / 25

An attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation.

10 / 25

If we want that a character be interpreted by the client instead of server

11 / 25

For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.

12 / 25

In telnet, the client echoes the character on the screen but does not send it until a whole line is completed in

13 / 25

Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

14 / 25

Consider attributes ID, CITY and NAME. Which one of this can be considered as a super key?

15 / 25

Telnet protocol is used to establish a connection to

16 / 25

A relational database consists of a collection of

17 / 25

The subset of super key is a candidate key under what condition?

18 / 25

The relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as primary key is called

19 / 25

All telnet operations are sent as

20 / 25

Which one of the following cannot be taken as a primary key?

21 / 25

The term attribute refers to a _______ of a table.

22 / 25

Which one of the following attribute can be taken as a primary key?

23 / 25

A _____ is a property of the entire relation, rather than of the individual tuples in which each tuple is unique.

24 / 25

Database _______ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.

25 / 25

A domain is atomic if elements of the domain are considered to be ________ units.