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Worksheets40 Item Intro to IT and Java
Total questions: 40
Worksheet time: 7mins
Name
Class
Date
1.
What does IT stand for?
a)
Information Technology
b)
Internal Tools
c)
Internet Transmission
d)
Integrated Telephony
2.
Which part is known as the 'brain' of the computer?
a)
Monitor
b)
CPU
c)
Keyboard
d)
Mouse
3.
Which of the following is an input device?
a)
Printer
b)
Speaker
c)
Mouse
d)
Projector
4.
Which of the following is an output device?
a)
Keyboard
b)
Scanner
c)
Monitor
d)
Microphone
5.
Which of the following is a storage device?
a)
Hard disk drive
b)
Mouse
c)
Webcam
d)
Joystick
6.
Which statement best describes the difference between hardware and software?
a)
Hardware is physical, software is instructions
b)
Hardware is always faster than software
c)
Software is physical, hardware is logical
d)
Hardware and software are the same
7.
Which of the following is an example of system software?
a)
Microsoft Word
b)
Windows 11
c)
Google Chrome
d)
WhatsApp
8.
Which of the following is an example of application software?
a)
Device driver
b)
BIOS
c)
Adobe Photoshop
d)
Firmware
9.
What is the main role of an operating system?
a)
To print documents
b)
To control hardware and manage software
c)
To design websites
d)
To increase internet speed
10.
In computing, what is a file?
a)
A physical folder on your desk
b)
A collection of data stored under a single name
c)
Only a picture on the screen
d)
A computer virus
11.
What is the internet?
a)
A single website
b)
A global network of connected computers
c)
A type of antivirus
d)
An office LAN only
12.
What is a computer network?
a)
Two or more computers connected to share resources
b)
A single computer with a printer
c)
A virus protection program
d)
A type of operating system
13.
Which of the following is a valid email address?
a)
gio!mail.com
b)
gio@mail
c)
gio@mail.com
d)
gio.mail.com
14.
Which password is the strongest?
a)
password123
b)
gio1998
c)
Gio@123
d)
Gf!29_it@2025
15.
What is malware?
a)
Safe software from the OS
b)
Any software that harms or disrupts a system
c)
Only spam emails
d)
Only hardware failure
16.
What is the main purpose of an antivirus program?
a)
To edit documents
b)
To protect the computer from malicious software
c)
To increase RAM size
d)
To speed up the monitor
17.
What is cloud storage?
a)
Saving files only on USB
b)
Saving files on remote servers accessed through the internet
c)
Saving files only on your phone
d)
Saving files on CDs only
18.
Which of the following is a mobile operating system?
a)
Excel
b)
Photoshop
c)
Android
d)
Chrome
19.
What is the main purpose of RAM in a computer?
a)
To store data permanently
b)
To temporarily store data while programs are running
c)
To display images
d)
To print documents
20.
Binary numbers are made up of which two digits?
a)
0 and 1
b)
1 and 2
c)
2 and 3
d)
8 and 9
21.
Which company originally developed the Java programming language?
a)
Microsoft
b)
Sun Microsystems
c)
Oracle
d)
IBM
22.
Java is often described as 'write once, run ____.'
a)
everywhere
b)
locally
c)
sometimes
d)
never
23.
In Java, what does JVM stand for?
a)
Java Visual Machine
b)
Java Virtual Machine
c)
Just Virtual Memory
d)
Java Version Manager
24.
What is the file extension of a Java source file?
a)
.class
b)
.exe
c)
.java
d)
.jar
25.
What is the file extension of a compiled Java bytecode file?
a)
.java
b)
.txt
c)
.class
d)
.docx
26.
Which keyword is used to define a class in Java?
a)
object
b)
define
c)
class
d)
struct
27.
Which method is the starting point of a standard Java application?
a)
start()
b)
run()
c)
main()
d)
begin()
28.
In 'public static void main(String[] args)', what is the return type of the method?
a)
public
b)
static
c)
void
d)
String[]
29.
Which symbol is used to end most Java statements?
a)
:
b)
.
c)
;
d)
!
30.
Which of the following starts a single-line comment in Java?
a)
/*
b)
//
c)
<!--
d)
**
31.
Which of the following starts a multi-line comment in Java?
a)
//
b)
/*
c)
##
d)
<!--
32.
Which Java data type is best for storing whole numbers like 1, 2, or 3?
a)
double
b)
int
c)
boolean
d)
char
33.
Which Java data type is commonly used to store decimal numbers like 3.14?
a)
boolean
b)
int
c)
double
d)
char
34.
Which Java data type can store only true or false?
a)
String
b)
boolean
c)
int
d)
float
35.
Which statement correctly declares an int variable named count with an initial value of 0?
a)
int count = 0;
b)
int count == 0;
c)
count int = 0;
d)
int = 0 count;
36.
Which operator is used in Java to check if two values are equal?
a)
=
b)
==
c)
!=
d)
<=
37.
Which Java statement correctly prints 'Hello' to the console?
a)
print("Hello");
b)
System.out.print("Hello")
c)
System.out.println("Hello");
d)
echo("Hello");
38.
In Java, the String type is used to store:
a)
True or false values
b)
Whole numbers
c)
Text made of characters
d)
Decimal numbers
39.
Which of the following is a Java reserved keyword?
a)
main
b)
println
c)
if
d)
System
40.
Which of the following is an IDE commonly used for Java development?
a)
Eclipse
b)
PowerPoint
c)
Photoshop
d)
Notepad (paper)
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