Something Important About Java Quiz 1

1. The term MB refers to ____.

Megabyte

My byte

Moving byte

None of these

REF: 8

Explanation

REF: 8

2. The term GB refers to ____.

Giant byte

Gigabyte

Group byte

None of these

REF: 8

Explanation

REF: 8

3. The term TB refers to ____.

Turning byte

Tight byte

Terabyte

None of these

REF: 8

Explanation

REF: 8

4. The ____ is the brain of the computer.

Arithmetic logic unit

Central processing unit

Accumulator

Control unit

REF: 4

Explanation

REF: 4

5. The system program that loads first when you turn on your PC is called the ____.

Central processing unit

Application program

Operating system

Word processor

REF: 7

Explanation

REF: 7

6. The term PB refers to ____.

Processing byte

Petabyte

Personal byte

None of these

REF: 8

Explanation

REF: 8

7. The devices that feed data and programs into computers are called ____.

Output devices

Input devices

Monitors

Printers

REF: 6

Explanation

REF: 6

8. All of the following are examples of secondary storage except ____.

Hard disks

Floppy disks

Keyboards

Tapes

REF: 6

Explanation

REF: 6

9. To develop a program to solve a problem, you start by ____.

Analyzing the problem

Implementing the solution in Java

Designing the algorithm

Entering the solution into a computer system

REF: 17

Explanation

REF: 17

10. The ____ carries out all arithmetic and logical operations.

Compiler

Program counter

Interpreter

Arithmetic logical unit

REF: 5

Explanation

REF: 5

11. The term ZB refers to ____.

Zerobyte

Zettabyte

Zonebyte

None of these

REF: 8

Explanation

REF: 8

12. All data must be brought into ____ before a program can manipulate it

Secondary storage

Main memory

An output device

All of the above

REF: 5

Explanation

REF: 5

13. The source program is written in ____.

Assembly language

Machine language

A high-level language

None of these

REF: 13

Explanation

REF: 13

14. When the power is switched off, everything in ____ is lost.

Main memory

Secondary storage

Hard disks

Floppy disks

REF: 6

Explanation

REF: 6

15. In a Java program, the file name must be the same as the ____.

Method name

Class name

Object name

Data name

REF: 13

Explanation

REF: 13

16. The digit 0 or 1 is called a binary digit, or ____.

Bit

Bytecode

Unicode

Hexcode

REF: 7

Explanation

REF: 7

17. Consider the following program. public class HelloWorld { public static void main(String[] args) { System.out.print("Hello World ") } } The missing semicolon in the code above will be caught by the ____.

Compiler

Editor

Assembler

Control unit

REF: 14

Explanation

REF: 14

18. The first device known to carry out calculations was a(n) ____.

Abacus

Pascaline

Difference engine

None of these

REF: 2 | 3

Explanation

REF: 2 | 3

19. A(n) ____ consists of data and the operations on those data.

Disk

Compiler

Interpreter

Object

REF: 25

Explanation

REF: 25

20. The term EB refers to ____.

Exabyte

Extrabyte

Extremebyte

None of these

REF: 8

Explanation

REF: 8

21. When all ____ errors are removed, the compiler generates the machine code (bytecode in Java).

Logical

Syntax

Linking

Run-time

REF: 14

Explanation

REF: 14

22. Each memory cell has a unique location in main memory, called the ____.

Unique identifier

Address

Cell location

ID

REF: 6

Explanation

REF: 6

23. ____ represent information with a sequence of 0s and 1s.

Analog signals

Application programs

Digital signals

System programs

REF: 7

Explanation

REF: 7

24. Which of the following is NOT an output device?

Monitor

Printer

CPU

Secondary storage

REF: 6

Explanation

REF: 6

25. A program called a(n) ____ loads the bytecode of your program and other programs provided by the SDK and used in the program to create the executable code

Loader

Interpreter

Linker

None of these

REF: 14

Explanation

REF: 14

26. In Java, the mechanism that allows you to combine data and operations on the data into a single unit is called a(n) ____.

Object

Class

Method

Algorithm

REF: 26

Explanation

REF: 26

27. The ____ translates a program written in a high-level language into the equivalent machine language.

Compiler

Assembler

Interpreter

A and B only

REF: 11

Explanation

REF: 11

28. The bytecode for a Java program is saved in the file with the ____ extension.

.cpp

.java

.class

.jav

REF: 14

Explanation

REF: 14

29. Which of the following is NOT part of the central processing unit?

Control unit

Program counter

Instruction register

Main memory

REF: 5

Explanation

REF: 5

30. A program called a(n) ____ translates the assembly language instructions into machine language.

Loader

Interpreter

Compiler

Assembler

REF: 10

Explanation

REF: 10

31. To run a Java ____, you must use either a Web browser or an applet viewer.

Program

Applet

Application

Method

REF: 16

Explanation

REF: 16