Computer Science Midterm Review (Part 1)

Which of these is an I/O port?

• HDMI and Audio Ports

• DVI

• SATA

• USB

• RJ-45

What is a hardware port?

• The external connection point for a particular type of bus interface

• A subsystem that is used to connect computer components and transfer data between them

• Any operation, program, or device that transfers data to or from a computer

• An interface that allows an enabled piece of hardware to interact and communicate with a particular piece of software

What does a bus allow?

• The transfer of data to and from a device

• The keeping of a connector from being inserted the wrong way

• Connection to a variety of devices

• The daisy chaining of monitors

Why is keying important?

• To keep a connector from being inserted the wrong way

• To transfer data to and from a device

• To implement digital content protection

• To connect a variety of devices

How are transfer rates expressed?

• Units per second in either bits or bytes

• Units per minute in either bits or bytes

• Units per second in only bits

• Units per minute in only bytes

What is the difference between kilobits and kilobytes and how are they expressed? (choose two)

• Kbs - KiloBits

• KBs - KiloBytes

• Kbs - KiloBytes

• KBs - KiloBits

What does USB stand for?

• Universal Serial Bus

• Unique Selling Benefit

• Upper Side Band

• User Support Branch

What is the USB 2.0 data rate standard called?

• HighSpeed

• SlowSpeed

• SuperSpeed

• StandardSpeed

What does it mean to be half-duplex?

• Each device can send or receive, but not at the same time

• Each device can send and receive at the same time

• Neither device can send or recieve, it can only exist

• This should be obvious

What is the USB 3.x data rate standard called?

• SuperSpeed

• HighSpeed

• NormalSpeed

• SlowSpeed