Computer Quiz No. 01

Which of the following computer technology helps you to easily insert, retrieve, and manage data from databases with appropriate security measures?

Database Management Systems (DBMS)
Firewall
Anti­virus software

Which of the following constraints help uniquely identify records in a table?

Primary key constraint
Foreign key constraint
Check constraint

Which of the following is an input device?

Printer
Keyboard
Monitor

Which of the following is NOT a computer peripheral?

Scanner
Motherboard
LCD projector

____________ is a temporary memory that loses information when the computer is switched off.

Read Only Memory (ROM)
Flash memory
Random Access Memory (RAM)

Bluetooth is a widely used technology for:

Wireless Personal Area Network (WPAN)
Local Area Network (LAN)
Wide Area Network (WAN)

A variable in programming is a:

procedure that performs some operation
named piece of memory for storing data
Classification of data

An object in an object oriented programming is:

A template that defines a collection of fields and methods
A built­in data type
An instance of a class

Protocol used for forwarding e­mail messages is:

Post Office Protocol (POP)
Simple Mail Transfer Protocol (SMTP)
Internet Message Access Protocol (IMAP)

_________ is the electronic equivalent of ordinary signatures that provides authenticity of the electronic data.

Digital signature
Access control
Encipherment

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