Introduction to Computer Engineering MCQs (Part-10)
What is the main function of system software?
A Run programs
B Display output
C Manage hardware
D Store data
System software is responsible for managing and controlling the computer’s hardware components. It includes operating systems and utility programs, ensuring that hardware resources are used efficiently and that applications can run properly.
Which of these is an example of application software?
A Word processor
B Device drivers
C Operating system
D Antivirus software
Application software is designed to help users perform specific tasks. A word processor is an example of application software because it helps users create and edit documents, as opposed to system software that manages hardware.
What does the operating system (OS) control?
A Network traffic
B Hardware resources
C Programs
D Data storage
The operating system (OS) controls and manages the computer’s hardware resources, such as the CPU, memory, and input/output devices. It acts as an intermediary between the hardware and software applications.
Which of these is an example of system software?
A Email client
B Web browser
C Spreadsheet
D File manager
A file manager is an example of system software because it helps manage and organize files and directories on storage devices. Unlike application software, which performs user specific tasks, system software helps the computer function.
What is the main purpose of computer security?
A Protect against unauthorized access
B Increase processing speed
C Install software
D Prevent viruses
Computer security aims to protect computer systems from unauthorized access, theft, damage, and other security threats. This includes safeguarding data, preventing hacking, and ensuring privacy and integrity of information stored and transmitted.
Which of the following is NOT a function of system software?
A Protect against malware
B Manage system resources
C Run specific user applications
D Provide user interfaces
System software provides a platform for running user applications but does not directly run specific applications themselves. Instead, application software handles tasks such as creating documents or managing files for users.
Which software type helps a user to perform a specific task, like accounting or graphic design?
A Firmware
B Application software
C System software
D Utility software
Application software is designed for end users to perform specific tasks such as accounting, graphic design, or word processing. Examples include programs like Adobe Photoshop, Microsoft Excel, and web browsers.
What is the role of antivirus software in computer security?
A Organize files
B Speed up system
C Manage hardware
D Detect and remove threats
Antivirus software is essential for protecting a computer from malware, viruses, and other security threats. It scans, detects, and removes harmful software, helping maintain the security and functionality of the system.
What does a firewall primarily do in computer security?
A Encrypt data
B Run programs
C Monitor network traffic
D Store files
A firewall monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between trusted internal networks and untrusted external networks, preventing unauthorized access and cyberattacks.
What is the primary function of device drivers in system software?
A Control hardware components
B Organize files
C Execute applications
D Manage user input
Device drivers are system software that allows higher level software (like the operating system) to communicate with hardware components. They provide the necessary interface for operating systems to control hardware devices, such as printers and graphics cards.
What does encryption ensure in computer security?
A Easy access
B Data confidentiality
C Faster processing
D Improved memory
Encryption is a process used to convert data into a format that can only be read by authorized parties. It ensures data confidentiality by protecting sensitive information, such as passwords and credit card numbers, from unauthorized access.
What is the primary difference between system software and application software?
A Application software manages resources
B System software runs programs
C Application software performs tasks for users
D System software is larger
System software manages and controls hardware resources, while application software is designed to perform specific tasks for the user, such as writing documents, browsing the internet, or playing games.
Which of the following is a method to protect a computer from unauthorized access?
A Password protection
B Antivirus software
C System updates
D File management
Password protection is a key method for preventing unauthorized access to a computer or online accounts. Strong passwords ensure that only authorized users can access sensitive information and perform actions on the system.
What is the primary role of a backup in computer security?
A Monitor traffic
B Increase speed
C Prevent data loss
D Improve performance
Backups are essential for preventing data loss due to system failure, malware attacks, or accidental deletion. Regular backups ensure that critical files and information can be restored if data is lost or corrupted.
Which of these is an example of a system software utility?
A Web browser
B Microsoft Word
C Adobe Photoshop
D Disk cleanup tool
A disk cleanup tool is an example of system software utility designed to maintain system performance. It removes temporary files, unused files, and other system clutter, improving storage efficiency and speeding up the system.