COSC 110 Exam 1 with all Correct & 100% Verified Answers |Actual Complete Exam |Already Graded A+

COSC 110 Exam 1 with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+

____________ is the physical aspect of the computer that can be seen. ✔Correct Answer-
Hardware

____________ is referred to as the brain of a computer. ✔Correct Answer-CPU

Why do computers use zeros and ones? ✔Correct Answer-because digital devices have two
stable states and it is natural to use one state for 0 and the other for 1.

One byte has ________ bits. ✔Correct Answer-8

____________ is a device to connect a computer to a local area network (LAN). ✔Correct
Answer-NIC

Computer can execute code in __________. ✔Correct Answer-machine language

___________ translates high-level language program into machine language program.
✔Correct Answer-A compiler

___________ is an operating system. ✔Correct Answer-Windows XP

_____________ is a program that runs on a computer to manage and control a computer's
activities. ✔Correct Answer-Operating system

Java was developed by _____________. ✔Correct Answer-Sun Microsystems

The main method header is written as: ✔Correct Answer-public static void main(String[] args)

Which of the following statements is correct? ✔Correct Answer-Every statement in a program
must end with a semicolon.

The JDK command to compile a class in the file Test.java is: ✔Correct Answer-javac Test.java

Which JDK command is correct to run a Java application in ByteCode.class? ✔Correct Answer-
java ByteCode

Java compiler translates Java source code into _________. ✔Correct Answer-Java bytecode

Suppose you define a Java class as follows:

, public class Test {

}

In order to compile this program, the source code should be stored in a file named ✔Correct
Answer-Test.java

The extension name of a Java bytecode file is ✔Correct Answer-.class

The extension name of a Java source code file is ✔Correct Answer-.java

Every statement in Java ends with ________. ✔Correct Answer-a semicolon (;)

A block is enclosed inside __________. ✔Correct Answer-braces

Suppose a Scanner object is created as follows:

Scanner input = new Scanner(System.in);

What method do you use to read an int value? ✔Correct Answer-input.nextInt();

If you enter 1 2 3, when you run this program, what will be the output?

import java.util.Scanner;

public class Test1 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter three numbers: ");
double number1 = input.nextDouble();
double number2 = input.nextDouble();
double number3 = input.nextDouble();

// Compute average
double average = (number1 + number2 + number3) / 3;

// Display result
System.out.println(average);
}
} ✔Correct Answer-2.0

What is the exact output of the following code?

double area = 3.5;