When the PC version of the spreadsheet program __________ became available, the IBM PC quickly became the top-selling personal computer.
Fill in the blank(s) with the appropriate word(s).
VisiCalc
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Which of the following statements is false?
a. Java SE 8 introduces a new CompletableFuture class (package java.util.concurrent), which implements the Future interface and enables you to asynchronously execute Runnables that perform tasks or Suppliers that return values. b. CompletableFuture static method supplyAsync asynchronously executes a Supplier task that returns a value. c. CompletableFuture static method runAsync asynchronously executes a Runnable task that does not return a result. d. CompletableFuture method get is a blocking method—it causes the calling thread to run until the asynchronous task completes and returns its results.
Which of the following will use an RJ-11 connector for connectivity?
A. Cellular B. Cable C. Fiber D. DSL E. Ethernet
________ software helps to protect your computer from various types of malware.
A. Anti-malware B. Encryption C. Backup D. Firewall
If the analyst is able to get the source system to insert into the system a message chosen by the analyst, then a ________ attack is possible.
A. known-plaintext B. chosen-plaintext C. chosen ciphertext D. chosen text