For the nodes on a network to communicate with each other and access the network, each node needs a ________.
A. DSL modem
B. network adapter
C. hub
D. router
Answer: B
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Consider a class that uses the following variables to implement an array-based stack:
``` String[] s = new String[100]; int top = 0; ``` a method for adding an item x to the stack can be written as A) s.add(top, x); B) if (top == s.length) throw new RuntimeException("Overflow"); else { top++; s[top] = x; } C) if (top < 0) throw new IndexOutBoundsException() s[top] = x; top++; D) if (top < s.length) { s[top] = x; top++; } else throw new RuntimeException("Overflow");
The RGB value (0, 0, 255) represents ____.
a) Color.Red b) Color.Green c) Color.Blue d) Color.Yellow
In the formula =IF(A1=B1, C1, C2), the result will be C2 if ____.
A. A is equal to B B. A does not equal B C. A1+B1 is equal to C1 D. A1>B1 is equal to C2
To insert a screenshot, you first must display the screen of which you want a screenshot in a window on your computer.
Answer the following statement true (T) or false (F)