YNet StudyHub

1Which of the following is NOT an input device?

A Keyboard B Mouse C Monitor D Scanner

2What does the operating system do?

A Runs application programs B Stores data permanently C Manages hardware resources D Creates web pages

3Which binary number equals the decimal number 13?

A 1101 B 1011 C 1110 D 1001

4In a LAN, which device connects multiple computers together?

A Router B Modem C Switch D Hub

5What is the main purpose of a firewall?

A To speed up the internet B To protect against viruses C To block unauthorized network access D To store backup files

6Which of these is an example of system software?

A Microsoft Word B Adobe Photoshop C Windows 10 D Google Chrome

7In programming, what does the statement ‘print(5+3)’ do?

A Adds 5 to 3 and stores the result B Shows the number 8 on the screen C Creates a variable named 5+3 D Deletes the number 5

8Which protocol is used to send email?

A HTTP B FTP C SMTP D DNS

9What is a possible social impact of computers?

A Reduced need for electricity B Increased face‑to‑face communication C Access to information worldwide D Less reliance on electricity

10Which action best follows computer ethics when you see a peer copying software illegally?

A Ignore it B Report it to the teacher C Copy the software yourself D Tell the peer it is okay