What older Microsoft disk compression tool eliminates only slack disk space between files?
a. PKZip
b. DriveSpace
c. WinRAR
d. WinZip
ANSWER: b
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The term False Reject Rate refers to:
a. How often a biometric system will reject an invalid user b. How often a biometric system will accept an invalid user c. How often a biometric system will reject a valid user d. How often a biometric system will accept a valid user
Which of the following statements about the following code is false? word_counts = {} for word in text.split(): if word in word_counts: word_counts[word] += 1 else: word_counts[word] = 1
a. The expression text.split() tokenizes text by calling string method split, which separates the words using the method’s delimiter string argu-ment—if you do not provide an argument, split uses a space. b. Method split returns a list of tokens (that is, the words in text). c. The expression word_counts[word] += 1 inserts a new key-value pair in the dictionary. d. All of the above statements are true.
Which pair of words does not complete the sentence below correctly? A ________ is a(n) ________.
a. Container, Component. b. Container, JPanel. c. JComponent, Container. d. Component, Object.
Match each of the following actions with the tab on which it is activated
I. Display formulas on the screen II. Exporting a document as a PDF file III. Create a recommended chart IV. AutoFit column widths V. Change a worksheet to landscape orientation A. Formulas tab B. Page Layout tab C. Insert tab D. File tab E. Home tab