Which of the following statements BEST describes parity checking?
A) Parity checking is not suitable for detecting single-bit errors in transmitted codes.
B) Parity checking is capable of detecting and correcting errors in transmitted codes.
C) Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
D) Parity checking is best suited for detecting single-bit errors in transmitted codes.
D
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Of the total hogs raised in the Untied States, what percentage are registered purebred hogs? Of the total hogs raised in the Untied States, what percentage are registered purebred hogs?
Which of the following accurately describes the danger of air in the refrigeration system?
A) The presence of air makes it impossible to connect a vacuum pump, which is necessary to perform the evacuation procedure. B) Oxygen may violently react with hydrogen and potentially cause a fire within the refrigeration system. C) Too much air makes it impossible to properly calibrate an analog vacuum gauge within the refrigeration system. D) Oxygen will chemically react with the refrigeration oil and deposits buildup in the discharge valve area, causing compressor motor burnouts.
To provide sound attenuation for a metal door frame, you may be required to add _____
a. weather stripping b. grout c. paint d. insulation
Air-conditioning units come in sizes of whole and half tons. A 1-ton air-conditioning unit will cool a typical 1,100 sq ft house in the southern part of the United States. What size unit would be needed to cool a 3,125 sq ft house in the southern part of the United States? (Round up to the next higher whole or half ton.)
Fill in the blank(s) with the appropriate word(s).