Something Important About Java Quiz 1
- 1.
In Java, the mechanism that allows you to combine data and operations on the data into a single unit is called a(n) ____.
- A.
Object
- B.
Class
- C.
Method
- D.
Algorithm
Correct Answer
B. ClassExplanation
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- 2.
A(n) ____ consists of data and the operations on those data.
- A.
Disk
- B.
Compiler
- C.
Interpreter
- D.
Object
Correct Answer
D. ObjectExplanation
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- 3.
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
- A.
Loader
- B.
Interpreter
- C.
Linker
- D.
None of these
Correct Answer
A. LoaderExplanation
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- 4.
The bytecode for a Java program is saved in the file with the ____ extension.
- A.
.cpp
- B.
.java
- C.
.class
- D.
.jav
Correct Answer
C. .classExplanation
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- 5.
To develop a program to solve a problem, you start by ____.
- A.
Analyzing the problem
- B.
Implementing the solution in Java
- C.
Designing the algorithm
- D.
Entering the solution into a computer system
Correct Answer
A. Analyzing the problemExplanation
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- 6.
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 ____.
- A.
Compiler
- B.
Editor
- C.
Assembler
- D.
Control unit
Correct Answer
A. CompilerExplanation
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- 7.
To run a Java ____, you must use either a Web browser or an applet viewer.
- A.
Program
- B.
Applet
- C.
Application
- D.
Method
Correct Answer
B. AppletExplanation
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- 8.
In a Java program, the file name must be the same as the ____.
- A.
Method name
- B.
Class name
- C.
Object name
- D.
Data name
Correct Answer
B. Class nameExplanation
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- 9.
When all ____ errors are removed, the compiler generates the machine code (bytecode in Java).
- A.
Logical
- B.
Syntax
- C.
Linking
- D.
Run-time
Correct Answer
B. SyntaxExplanation
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- 10.
The ____ translates a program written in a high-level language into the equivalent machine language.
- A.
Compiler
- B.
Assembler
- C.
Interpreter
- D.
A and B only
Correct Answer
A. CompilerExplanation
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- 11.
The source program is written in ____.
- A.
Assembly language
- B.
Machine language
- C.
A high-level language
- D.
None of these
Correct Answer
C. A high-level languageExplanation
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- 12.
A program called a(n) ____ translates the assembly language instructions into machine language.
- A.
Loader
- B.
Interpreter
- C.
Compiler
- D.
Assembler
Correct Answer
D. AssemblerExplanation
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- 13.
The term ZB refers to ____.
- A.
Zerobyte
- B.
Zettabyte
- C.
Zonebyte
- D.
None of these
Correct Answer
B. ZettabyteExplanation
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- 14.
The term PB refers to ____.
- A.
Processing byte
- B.
Petabyte
- C.
Personal byte
- D.
None of these
Correct Answer
B. PetabyteExplanation
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- 15.
The term EB refers to ____.
- A.
Exabyte
- B.
Extrabyte
- C.
Extremebyte
- D.
None of these
Correct Answer
A. ExabyteExplanation
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- 16.
The term GB refers to ____.
- A.
Giant byte
- B.
Gigabyte
- C.
Group byte
- D.
None of these
Correct Answer
B. GigabyteExplanation
REF: 8Rate this question:
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- 17.
____ represent information with a sequence of 0s and 1s.
- A.
Analog signals
- B.
Application programs
- C.
Digital signals
- D.
System programs
Correct Answer
C. Digital signalsExplanation
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- 18.
The digit 0 or 1 is called a binary digit, or ____.
- A.
Bit
- B.
Bytecode
- C.
Unicode
- D.
Hexcode
Correct Answer
A. BitExplanation
REF: 7Rate this question:
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- 19.
The term MB refers to ____.
- A.
Megabyte
- B.
My byte
- C.
Moving byte
- D.
None of these
Correct Answer
A. MegabyteExplanation
REF: 8Rate this question:
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- 20.
The system program that loads first when you turn on your PC is called the ____.
- A.
Central processing unit
- B.
Application program
- C.
Operating system
- D.
Word processor
Correct Answer
C. Operating systemExplanation
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- 21.
Which of the following is NOT an output device?
- A.
Monitor
- B.
Printer
- C.
CPU
- D.
Secondary storage
Correct Answer
C. CPUExplanation
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- 22.
The devices that feed data and programs into computers are called ____.
- A.
Output devices
- B.
Input devices
- C.
Monitors
- D.
Printers
Correct Answer
B. Input devicesExplanation
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- 23.
All of the following are examples of secondary storage except ____.
- A.
Hard disks
- B.
Floppy disks
- C.
Keyboards
- D.
Tapes
Correct Answer
C. KeyboardsExplanation
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- 24.
When the power is switched off, everything in ____ is lost.
- A.
Main memory
- B.
Secondary storage
- C.
Hard disks
- D.
Floppy disks
Correct Answer
A. Main memoryExplanation
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- 25.
The ____ carries out all arithmetic and logical operations.
- A.
Compiler
- B.
Program counter
- C.
Interpreter
- D.
Arithmetic logical unit
Correct Answer
D. Arithmetic logical unitExplanation
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- 26.
All data must be brought into ____ before a program can manipulate it
- A.
Secondary storage
- B.
Main memory
- C.
An output device
- D.
All of the above
Correct Answer
B. Main memoryExplanation
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- 27.
Each memory cell has a unique location in main memory, called the ____.
- A.
Unique identifier
- B.
Address
- C.
Cell location
- D.
ID
Correct Answer
B. AddressExplanation
REF: 6Rate this question:
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- 28.
The first device known to carry out calculations was a(n) ____.
- A.
Abacus
- B.
Pascaline
- C.
Difference engine
- D.
None of these
Correct Answer
A. AbacusExplanation
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- 29.
The ____ is the brain of the computer.
- A.
Arithmetic logic unit
- B.
Central processing unit
- C.
Accumulator
- D.
Control unit
Correct Answer
B. Central processing unitExplanation
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- 30.
Which of the following is NOT part of the central processing unit?
- A.
Control unit
- B.
Program counter
- C.
Instruction register
- D.
Main memory
Correct Answer
D. Main memoryExplanation
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- 31.
The term TB refers to ____.
- A.
Turning byte
- B.
Tight byte
- C.
Terabyte
- D.
None of these
Correct Answer
C. TerabyteExplanation
REF: 8Rate this question:
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Aug 21, 2023Quiz Edited by
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May 11, 2011Quiz Created by
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