Which of the following statements is false?
a. Java makes concurrency available to you through the language and APIs.
b. Concurrency is a subset of parallelism.
c. Today’s multi-core computers have multiple processors that can perform tasks in parallel.
d. Java programs can have multiple threads of execution, where each thread has its own method-call stack and program counter, allowing it to execute concurrently with other threads. This capability is called multithreading.
B
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What is the output of the following code?
char ch='G'; cout << tolower(ch) << endl; a. G b. g c. the integer value of 'g' d. the integer value of 'G'
With a _________ infrastructure, the cloud infrastructure is shared by several organizations and supports a specific community that has shared concerns.
A. community cloud B. public cloud C. private cloud D. hybrid cloud
What is printed by the following program segment if the value input into num is 2?
``` cin >> num; switch (num) { case 0: case 1: cout << " Red"; case 2: cout << " Blue"; case 3: cout << " Green"; case 4: cout << " Yellow"; default: cout << " Invalid Input"; } // end switch ``` a. Red b. Blue c. Green d. Yellow e. Blue Green Yellow Invalid Input
The purpose of a KVM switch is to connect multiple keyboard, monitors, and mouse to a single computer.
a. true b. false