Introduction-to-IT 무료 덤프문제 온라인 액세스

What is true about an operating system?

• A.It is a hardware component of the computer system.
• B.It is a firmware burned onto the computer mother board.
• C.It is a software program that directly supports the computer itself.
• D.It is an application program similar to word processors.

Which type of conversion involves turning off the old system and turning on the new system at a particular date and time?

• A.Phased
• B.Parallel
• C.Direct
• D.Pilot

A company needs a database in which data is stored in a plain text document and is separated by delimiters, such as commas. Which type of database is needed?

• A.Hierarchical
• B.Cloud
• C.Distributed
• D.Flat-file

Which peripheral replaces the mouse on a mobile device?

• A.Jack
• B.Stylus
• C.USB
• D.Camera

Which type of services are Google Apps, Dropbox, and GoToMeeting?

• A.Platform-as-a-Service (PaaS)
• B.Infrastructure-as-a-Service (laaS)
• C.Security-as-a-Service (SECaaS)
• D.Software-as-a-Service (SaaS)