What is a variable-length record?
What will be an ideal response?
A programmer can structure a file containing employee records using characters and words grouped together, with each individual employee record on a separate line in a file. Information about an employee in each separate line or record can be divided by separator characters or delimiters, such as colons. This type of record is called a variable-length record, because the length of each field bounded by colons can vary.
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Technician A says that headers do not improve performance at low rpm unless they are specifically tuned for low rpm use. Technician B says that longer header pipes tend to improve low rpm performance. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
A quality engineer samples 100 steel rods made on mill A and 150 rods made on mill B. Of the rods from mill A, 88 meet specifications, and of the rods from mill B, 135 meet specifications.
a. Estimate the proportion of rods from mill A that meet specifications, and find the uncertainty in the estimate. b. Estimate the proportion of rods from mill B that meet specifications, and find the uncertainty in the estimate. c. Estimate the difference between the proportions, and find the uncertainty in the estimate.
Which of the following refrigerants has the lowest ozone depletion potential (ODP) rating?
A. R-134a B. R-22 C. R-12 D. R-422D
What do the letters RMS stand for?
What will be an ideal response?