Lecturer Computer Science Test 4 Online Preparation MCQs |

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 4
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Computer Science Practice Test 4

1 / 25

For each attribute of a permitted values, called the ………………………….of the attribute:

Relation

Domain

Set

Schema

2 / 25

Which of the following is not one of the advantages of parallel processing?

Scale up

Speedup

Autonomy

Availability

3 / 25

Polymorphism does not………………………..

Support reusability

Make the programming of messages more complex

Refer to the possible binding of a method in a message with one of several implementations:

Support incremental modification of code

4 / 25

In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set?

A many-to-many relationship set

A multi-valued attribute of an entity set

Both A and B

A one-to-many relationship set

5 / 25

Which of the normal is based on multi-valued dependencies?

Second

Fourth

First

Third

6 / 25

………………………… can help us detect poor E-P design,

Relational Scheme

Functional Dependencies

E-R Design Process

Database Design Process

7 / 25

It is possible to detect deadlocks in a database system at following cost:

It is not possible to detect deadlocks

Slower overall processing

Special hardware device

Query the database with SQL

8 / 25

Build & Fix Model is suitable for programming exercises of ………………….LOC (Line of Code)

200-400

Above 1000

100-200

400-1000

9 / 25

The term …………………………is used to refer to a row.

Field

Attribute

Tuple

Instance

10 / 25

Which is NOT one of the four basic control structures?

Execute

Sequence

Conditional

Iteration

11 / 25

The term attribute refers to a ……………………….of a table.

Tuple

Key

Column

Record

12 / 25

Which of the following is not an iteration statement of supported by PL/SQL?

The FORLOOP statement

The WHILE LOOP statement

None of the above

The LOOP UNTIL statement

13 / 25

Which of the following is a tuple-generating dependency?

Functional dependency

Equality-generating dependencies

Multi-valued dependencies

Non-functional dependencies

14 / 25

Each station on an Ethernet network has a unique ……………. address imprinted on its network interface card.

48-bit

32-bit

5-byte

64-bit

15 / 25

In 2NF:

No multi-valued dependencies (MVDs

No partial MVDs exist

No partial FDs exist

No functional dependencies (FDs) exist

16 / 25

A directly accessible appointment calendar is feature of a … resident package:

CPU

Buffer

Memory

ALU

17 / 25

The main task carried out in the to remove repeating attributes to separate tables.

Fourth Normal Form

Third Normal Form

Second Normal Form

First Normal Form

18 / 25

In the relational database terminology, a table is synonymous with……………..

An attribute

A column

A relation

Arow

19 / 25

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?

Both A and B

A one-to-many relationship set

A multi-valued attribute of an entity set

A many-to-many relationship set

20 / 25

Which forms has a relation that possesses data about an individual entity?

5NF

2NF

3NF

4NF

21 / 25

The term gigabyte refers to:

1024 bytes

1024 megabytes

1024 gigabyte

1024 kilobytes

22 / 25

An approach that permits the computer to work on several programs instead of one is:

Multiprogramming

Over lapped processing

On-line thesaurus

Outline processor

23 / 25

Null is ………………….

Both A and B

The same as blank for character

Not a value

The same as zero for integer

24 / 25

What is the result of ANDing 255 and 15?

270

255

25 / 25

Which of the following is not a common cursor attribute?

% Found

% is Open

% is Not Open

% Not Found

Your score is

The average score is 84%

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