A computer peripheral, or peripheral device, is an external object that provides input and output for the computer. Some common input devices include:
keyboard
mouse
touch screen
pen tablet
joystick
MIDI keyboard
scanner
digital camera
microphone
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Some common Output Devices :
</span>monitor
projector
TV screen
printer
plotter
<span>speakers</span>
Structured Query Language databases find the name and department name of all graduate students who work on projects that do not employ any other graduates from their department.
Explanation:
Structured Query Language (SQL) is a database-style intended for managing data kept in a relational database management system. SQL statements are applied to execute jobs such as update data on a database or recover data from a database. The standard SQL commands such as "Select", "Insert", "Update", "Delete", "Create", and "Drop" can be used to perform virtually everything that one requires to do with a database. According to ANSI (American National Standards Institute), it is the approved language for relational database management systems.
Answer:
I believe the answer is B.