Answer the following statements true (T) or false (F)
1. The user interface provides a mechanism for the system operator and the user to
communicate with the operating system and request operating system services.
2. The input output control system incorporates routines that allow the user or programmer
to create, delete, modify, and manipulate files by name.
3. The device management function is responsible for controlling communications with the
system’s peripheral devices.
4. Processor management is concerned with efficiently managing the processor’s time.
5. Memory management is concerned with managing the system’s memory resources,
allocating space to applications as needed, and ensuring that those applications do not
interfere with each other.
1. True
2. False
3. True
4. True
5. True
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What is the general syntax to invoke a method on an object?
A. ClassName.method() B. objectName.method()
Analyze the following code:
``` public class Test { public static void main(String[] args) { int[] x = {1, 2, 3, 4}; int[] y = x; x = new int[2]; for (int i = 0; i < x.length; i++) System.out.print(x[i] + " "); } }``` a. The program displays 1 2 3 4 b. The program displays 0 0 c. The program displays 0 0 3 4 d. The program displays 0 0 0 0
Each vertical column stores information that describes the record and is referred to as a ________
Fill in the blank(s) with correct word
In a graphical user interface, which of the following is a small symbol on the screen whose location and shape changes as a user moves a pointing device?
A. index B. keypad C. pointer D. keystroke