Computer Basic Questions and Answers
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.
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.
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.
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.
Which field type is not a part of SQL?
(A) Integer
(B) String
(C) OLE Object
(D) Date and Time
Correct Answer : C
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.
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.
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.
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.
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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Rajesh Bhatia
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