Chapter 6 - Input/Output

Which of the following is the major function of I/O module?

• Interface to one peripheral device by only single data links

• Interface to the processor and memory via the address bus or central switch

• Interface to the processor and memory via the system bus or central switch

• Interface to one or more secondary storage

A 29-inch monitor is an example of _________ external devices.

• Human readable

• Machine readable

• Communication

A humidity sensor is an example of _________ external devices.

• Human readable

• Machine readable

• Communication

A Network Interface Card is an example of _________ external devices.

• Human readable

• Machine readable

• Communication

Which of the following is NOT major functions of I/O module?

• CPU Communication

• Device Communication

• Database Communication

• Data Buffering

Which of type of I/O module commonly used on mainframes?

• I/O Channel

• I/O Controller

"The I/O module and main memory exchange data directly, without CPU involvement"

This statement refers to ______

• Programmed I/O

• Interrupt-Driven I/O

• Direct Memory Access

This command is used to activate a peripheral and tell it what to do

• Control command

• Test command

• Read command

• Write command

This command is used to take an item of data (byte or word) from the data bus and transmit that data item to the peripheral

• Control command

• Test command

• Read command

• Write command

The DMA module is capable of mimicking the processor and taking over control of the system from the processor.

• True

• False