What are the four main resources a hardware component might use? Describe each.
What will be an ideal response?
The four main resources a hardware component might use are:
* Direct memory access (DMA) channels-A legacy method for allowing devices to communicate directly with system memory instead of passing data through the processor. Typically used for sound cards.
* Input/output (I/O) ranges-Addresses at which a device can be communicated with. A single device can have several addresses, with each address allowing access to a particular device feature or component.
* Interrupt request (IRQ) lines-A mechanism for devices to request time from the CPU.
* Memory address ranges-Address ranges in system memory that are dedicated to the device.
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__________ is usually faster than __________.
a. High-level I/O, low-level I/O. b. Low-level I/O, high-level I/O. c. Low-level I/O, internal data processing. d. High-level I/O, internal data processing.
Operating systems equip computers with a wide range of capabilities, including the ability to run multiple programs at the same time, a feature called ____________________.
Fill in the blank(s) with the appropriate word(s).
What is the difference between cd and lcd in ftp?
What will be an ideal response?
Sounds, Speech and Audio devices
A. Access options when connecting to the Web B. Select speaker settings C. Set the Start menu to the traditional setting