IGCSE O-Level Computer Science Quiz

What is the primary function of system software?

• Perform specific user tasks

• Manage computer hardware and provide a platform for applications

• Provide entertainment features

• Connect to the internet

Which of the following is an example of application software?

• Windows 10

• Microsoft Word

• Device driver

• BIOS

What does an operating system use to manage memory allocation?

• Paging or segmentation

• File compression

• Encryption algorithms

• Cloud storage

What is multitasking in an operating system?

• Running one program at a time

• Sharing CPU time among multiple processes

• Storing data on external devices

• Encrypting data during execution

What defines open-source software?

• Software with restricted access to source code

• Software that is freely available for modification and distribution

• Software that requires a paid license

• Software only for commercial use

Which of the following is an open-source project?

• Microsoft Office

• Adobe Photoshop

• Linux

• Windows 11

What is the main purpose of encryption in software security?

• Speed up software execution

• Protect data by making it unreadable to unauthorized users

• Compress data for storage

• Install software updates

Which encryption method uses a single key for both encryption and decryption?

• Asymmetric encryption

• Symmetric encryption

• Hashing

• Digital signing

Which of the following is an example of asymmetric encryption?

• AES

• DES

• RSA - public-key cryptosystem

• SHA-256

What is a key feature of system software?

• Performs specific user tasks

• Manages hardware resources

• Provides entertainment

• Requires internet access