The digit 0 or 1 is called a ____.
A. bit
B. bytecode
C. Unicode
D. hexcode
Answer: A
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Which of the following statements is false?
a. The following statement uses an f-string with two placeholders to format year and amount. print(f'{year:>2}{amount:>10.2f}') b. The placeholder {year:>2} uses the format specifier >2 to indicate that year’s value should be right aligned (>) in a field of width 2—the field width specifies the number of character positions to use when displaying the value. c. For single-digit year values 1–9, the format specifier >2 displays a value fol-lowed by the space character, thus right aligning the years in the first column. d. The format specifier 10.2f in the placeholder {amount:>10.2f} formats amount as a floating-point number (f) right aligned (>) in a field width of 10 with a decimal point and two digits to the right of the decimal point (.2). For-matting a column of amounts this way aligns their decimal points vertically, as is typical with monetary amounts.
Which of the following statements about bottlenecks and saturation is false?
a) Removing a bottleneck will not always result in increased performance. b) When a resource becomes saturated, processes interfere with each other because they must wait for other processes to complete using the resource. c) A virtual memory system that is thrashing is an example of a saturated resource. d) Saturation cannot occur if the system contains sufficient resources to fulfill all incoming requests.
Match the following terms to their meanings:
I. Merge cells A. Displays text from top to bottom and is aligned at the top II. Rotate all text 90° right edge of the column III. Split cells B. Feature that divides a selected cell into a specified number IV. Stacked of cells V. Rotate all text 270° C. Displays text from bottom to top and is aligned at the lower left edge of the column D. Displays text from top to bottom, one character at a time E. Feature that combines selected cells into one cell
Facebook, which began in 2004 as a closed network for college students and later was expanded to include high school students, was founded by Mark Zuckerberg, then a student at ____ University.
A. ?Northwestern B. ?Duke C. ?Yale D. ?Harvard