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What is true about an operating system?
What is true about an operating system?A . It is a firmware burned onto the computer mother board.B . It is a software program that directly supports the computer itself.C . It is a hardware component of the computer system.D . It is an application program similar to word processors.View...
Why should an information technology (IT) professional be aware of professional associations?
Why should an information technology (IT) professional be aware of professional associations?A . Professional associations provide up-to-date training.B . Professional associations will ensure higher quality work.C . Professional associations upgrade the company's network.D . Professional associations give feedback to management.View AnswerAnswer: A Explanation: Professional associations are vital for IT professionals...
What is the typical organizing principle of a database?
What is the typical organizing principle of a database?A . SelectiveB . ProjectionC . RelationalD . ModularView AnswerAnswer: C Explanation: The relational model is the most common organizing principle of databases. In a relational database, data is organized into tables (or relations), where each table consists of rows and columns....
Which device does a Local Area Network (LAN) need to communicate over the Internet?
Which device does a Local Area Network (LAN) need to communicate over the Internet?A . MultiplexerB . RepeaterC . SwitchD . RouterView AnswerAnswer: D Explanation: A Local Area Network (LAN) requires a router to communicate over the Internet. The router serves as a gateway that connects the LAN to the...
Which operation converts raw data into information?
Which operation converts raw data into information?A . InputB . OutputC . StorageD . ProcessingView AnswerAnswer: D Explanation: Processing is the operation that converts raw data into meaningful information. Input data is collected and then processed through various means such as calculations, comparisons, or formatting to produce output that can...
Which two options allow an application to access a database? Choose 2 answers
Which two options allow an application to access a database? Choose 2 answersA . Structured Query Language (SQL)B . Java Database Connectivity (JDBC)C . Database management system (DBMS)D . Open Database Connectivity (ODBC) applicationE . Graphical user interface (GUI)View AnswerAnswer: A, B Explanation: SQLis a standard language used to communicate...
What is a characteristic of algorithms?
What is a characteristic of algorithms?A . No starting or stopping pointB . Random instructionsC . Unambiguous rulesD . Constantly changingView AnswerAnswer: C Explanation: An algorithm is a defined set of step-by-step procedures or a set of rules to be followed to perform a specific task or solve a problem....
