Operating System - MCQ Questions

Operating System (147 টি প্রশ্ন )

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Q121. What do you mean by one to many relationship between student and class table?

ক) One student can have many classes

খ) One class may have many student

গ) Many classes may have many students

ঘ) Many students may have manu classes

Q122. Referential integrity means

ক) Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table

খ) Do not enter a value in the primary key field of chield table if that value does not exist in the primary key of the parent table

গ) Do not enter a value in the foreign key field of a parent table if that value does not exist in the primary key of the child table

ঘ) All of above

Q123. Cascade delete option

ক) Is used to delete all the records of all tables in a database

খ) Will repeat the recent delete operation to all the records of current table

গ) Is available in edit relatiionship dialog box which makes sure that all the related records will be deleted automatically whn the record from parent table is deleted

ঘ) None of above

Q124. Cascade update option

ক) Means do not change the value in the primary key field if that record has related records in another table

খ) Means change all the related records in child tables if the record in parent table is changed

গ) Both of above

ঘ) None of above

Q125. We can remove a relationship defined between two tables by

ক) From edit menu choose delete relationship

খ) Select the relationship line and press delete

গ) Choose delete option from relationship menu

ঘ) All of above

Q126. If you need to edit a relationship

ক) Right click the relationship line and choose edit relationship

খ) Double click the relationship line

গ) Both of above

ঘ) None of above

Q127. If you write criteria values vertically (one in a row) it will mean

ক) Or conditions

খ) And conditions

গ) Not condition

ঘ) None of above

Q128. To achieve and effect when you are entering criteria in a query design window

ক) Write criteria values vertically one in a row

খ) Write criteria values horizontally

গ) Write criteria values in same field separated with and

ঘ) Write criteria values in same field separated with &

Q129. A search value can be an exact value or it can be

ক) Logical operator

খ) Relationship

গ) Wild card character

ঘ) Comparison operation

Q130. Both conditions display on the same row in the design grid when ___operator is in use

ক) Or

খ) In

গ) And

ঘ) Like

Q131. You can automatically include all of the field in a table in a query by___ a strike that appear list box in query design view

ক) Clicking

খ) Right clicking

গ) Double clicking

ঘ) None of the above

Q132. The___ operator will cause a record to be selected only if two or more conditions are satisfied

ক) Or

খ) If or

গ) Range

ঘ) And

Q133. When a picture or other graphic image is placed in the report header section it will appear____

ক) Once in the bugging of the report

খ) At the top of every page

গ) Every after record break

ঘ) On the 1st and last pages of the report

Q134. The__ button on the tool box display data from a related table

ক) Sub form sub report

খ) Relationships

গ) Select objects

ঘ) More controls

Q135. You can set a controls border type to make the border invisible.

ক) Transparent

খ) Invisible

গ) Do not display

ঘ) No border

Q136. A __ name must be unique within a database

ক) Table

খ) Field

গ) Record

ঘ) Character

Q137. The expression builder is an access tool that controls an expression___ for entering an expression

ক) Table

খ) Box

গ) Cell

ঘ) Palette

Q138. The key uniquely identifies each record in a table.

ক) Primary key

খ) Key word

গ) Filed name

ঘ) All of above

Q139. Unlike text data type, this can store up to maximum of 65, 535 characters.

ক) Memo

খ) Data/time

গ) Number

ঘ) All of above

Q140. It is a database object to view, change, and analyze data in different ways

ক) Query

খ) Form

গ) Report

ঘ) None of the above

Q141. It is most common type of query. It retrieves records from one or more tables and then displays the

ক) Parameter

খ) Select

গ) Crosstab

ঘ) All of above

Q142. Spot the odd one out amongst the following

ক) Basic

খ) UNIX

গ) Windows

ঘ) DOS

Q143. In computer terms, what does encryption of data' mean?

ক) Data cannot be sent over the internet

খ) Data is encoded soit cannot be read without decoding software

গ) Data is kept locked in special room

ঘ) None

Q144. Which one of the following is an example of system software?

ক) Power point

খ) Google

গ) C++

ঘ) Windows 7

Q145. Which of the following is an operating system?

ক) Unix

খ) Oracle

গ) Excel

ঘ) PowerPoint

Q146. INI extension refers usually to what kind of file? -

ক) System file

খ) image file

গ) Hypertext related file

ঘ) image color matching profile

Q147. ................. refers to the philosophy of sharing computer-processing resources.

ক) Cloud Computing

খ) Operating System

গ) Block Chain

ঘ) Key Chain

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