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Computer Basic Questions and Answers

10 months ago 1.8K Views
Q :  

A Statement that is executed automatically by the system as a side effect of a modification to the database is known as :

(A) Assertion

(B) Triggers

(C) Referential constraints

(D) Insertion

Correct Answer : B
Explanation :
A trigger is a statement that is automatically executed by the system as a side effect of a modification to the database.



Q :  

Search engine which takes input from a user and simultaneously sends out queries to third-party search engines for the result is :

(A) Advance Search Engine

(B) Meta Search Engine

(C) Search Tool

(D) Boolean Search Engine

Correct Answer : B
Explanation :

A metasearch engine (or search aggregator) is an online information retrieval tool that uses the data of a web search engine to produce its own results. Metasearch engines take input from a user and immediately query search engines for results.


Q :  

XML definition is used along with XML to specify :

(A) The data types of the contents of XML document

(B) The Structure of XML document

(C) The presentation of XML document

(D) The links with other documents

Correct Answer : D
Explanation :

The XML Database is used to store large amounts of data in the XML format. XPATH is used to address your documents by specifying a location path. XLL definition is used along with XML to specify the links with other documents.


Q :  

ODBC stands for?

(A) Object database connectivity

(B) Oral database connectivity

(C) Oracle database connectivity

(D) Open database connectivity

Correct Answer : D
Explanation :

ODBC stands for Open Database Connectivity. Open Database Connectivity is an Application Programming Interface that provides access to the database management systems. The client-side and the server-side both can access the application written using ODBC.


Q :  

Which field type is not a part of SQL?

(A) Integer

(B) String

(C) OLE Object

(D) Date and Time

Correct Answer : C

Q :  

Communication controls for the entire computer system?

(A) Motherboard

(B) Processor

(C) Semi conductor

(D) coprocessor

Correct Answer : A
Explanation :

The motherboard controls communications for the entire computer system. The main printed circuit board (PCB) in a computer is called the motherboard. All components and external peripherals connect to a computer's motherboard, which serves as its main communications hub.


Q :  

Which shortcut key is used to save a file in MS Word 365?

(A) Alt + S

(B) Alt + F

(C) Ctrl + S

(D) Ctrl + F

Correct Answer : C
Explanation :

Tip: To quickly save a file, press Ctrl+S. Save a file with the default values. This option is available when the AutoSave option is not selected. Open the Save or Save As page.


Q :  

Which of the following shortcut keys is used to make the contents of a cell underlined in MS Excel 365?

(A) Ctrl + 6

(B) Ctrl + 3

(C) Ctrl + 2

(D) Ctrl + U

Correct Answer : D
Explanation :

This shortcut applies the underlined formatting to the selected text or cell contents within Excel.


Q :  

What is used for holding program instructions that can't be changed throughout the life of the computer?

(A) ROM

(B) Register

(C) RAM

(D) Cache

Correct Answer : A
Explanation :

ROM contains the programming that allows a computer to start up or regenerate each time it is turned on. ROM also performs large input/output (I/O) tasks and protects programs or software instructions. Once data is written on a ROM chip, it cannot be removed.


Q :  

It is used to connect a pen drive to computer.

(A) USB port

(B) Parallel port

(C) Serial port

(D) Network port

Correct Answer : A
Explanation :
Insert the flash drive into a USB port on your computer. You should find a USB port on the front, back, or side of your computer (the location may vary depending on whether you have a desktop or a laptop).



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