1.4.1 - Concept of Operating System.

• A) To perform arithmetic operations
• B) To manage hardware and software resources
• C) To act as an antivirus
• D) To develop hardware

• A) Software and applications
• B) Hardware and the network
• C) User and computer hardware
• D) Memory and storage

• A) Managing files
• B) Managing memory
• C) Controlling external devices
• D) Creating hardware components

• A) Financial transactions
• B) Network security
• C) Hardware control
• D) User interface design

• A) A programming language
• B) An instance of a program in execution
• C) A type of software application
• D) A hardware component

• A) The location of the computer
• B) The range of memory addresses a process can access
• C) The number of processes running
• D) The size of the hard disk

• A) Microsoft
• B) General Motors
• C) Apple
• D) Google

• A) Unix
• B) QDOS
• C) Windows 95
• D) Linux

• A) MS-DOS
• B) Linux
• C) Unix
• D) Windows

• A) MS-DOS
• B) FreeBSD
• C) Windows 95
• D) Linux

• A) Unix
• B) Windows 95
• C) Linux
• D) FreeBSD

• A) Linux
• B) FreeBSD
• C) Windows
• D) Unix

• A) To design hardware components
• B) To perform financial analysis
• C) To understand data storage and process scheduling
• D) To create marketing strategies

• A) Financial accounting
• B) Graphic design
• C) Interacting with I/O devices and ports
• D) Cooking recipes

1.4.2 - Function of Operating System.

• A) Allocating CPU time to processes
• B) Controlling device connectivity
• C) Managing and allocating memory to different processes
• D) Providing a user interface

• A) Memory Management
• B) Device Management
• C) Processor Management
• D) File Management

• A) Memory Manager
• B) Device Manager
• C) File Manager
• D) User Interface

• A) Allocating CPU time
• B) Organizing directories and managing file access and storage
• C) Managing network connections
• D) Controlling device drivers

• A) Booting
• B) Shutting down
• C) Logging in
• D) Refreshing

• A) Managing hardware devices
• B) Interpreting and executing user commands or providing a graphical interface
• C) Monitoring system performance
• D) Managing files and directories

• A) By managing network connections
• B) By protecting against unauthorized access and keeping the firewall active
• C) By controlling the CPU allocation
• D) By organizing files and directories

• A) Managing device drivers
• B) Recording time and resources used by different jobs and users
• C) Handling network communications
• D) Performing system booting

• A) Error-Detecting Aids
• B) Network Management
• C) File Management
• D) Processor Management

• A) Controlling memory allocation
• B) Managing network communications and performance
• C) Organizing files and directories
• D) Allocating CPU time to processes

1.4.3 - Types of Operating System.

• A) To allow users to interact with the computer directly
• B) To batch similar jobs together and process them without direct user interaction
• C) To handle real-time tasks with stringent time constraints
• D) To distribute tasks across multiple computers

• A) High idle time due to job sorting
• B) Complex debugging process
• C) Reduced idle time with efficient job processing
• D) Requires less knowledge from computer operators

• A) A single program at a time
• B) Multiple programs that can run simultaneously
• C) Only system files
• D) User interface applications only

• A) Increased system throughput
• B) Enhanced response time
• C) Lack of direct interaction with system resources
• D) Easy to manage multiple programs

• A) It uses multiple operating systems
• B) It uses many CPUs to execute tasks
• C) It is designed for single-user tasks
• D) It focuses on real-time processing

• A) It simplifies the operating system design
• B) It increases the system's throughput
• C) It uses a single processor to handle tasks
• D) It reduces the system's complexity

• A) Only batch jobs
• B) Multiple tasks using round-robin scheduling
• C) Real-time tasks only
• D) Single task at a time

• A) Limited to single user environments
• B) It allows only one program to run at a time
• C) The system heats up when running large programs repeatedly
• D) Requires extensive debugging

• A) The amount of memory each task receives
• B) The amount of time allotted to each task for execution
• C) The number of users that can connect at a time
• D) The size of the task queue

• A) Only one user can use the system at a time
• B) Reduced hardware costs by sharing resources
• C) Long waiting times for tasks
• D) High cost and complexity

• A) An OS that uses a single computer for all tasks
• B) An OS that allows multiple users to share a single computer
• C) An OS that uses a network of interconnected, independent computers
• D) An OS that is specifically designed for real-time applications

• A) Single point of failure affects the whole system
• B) No network scalability
• C) Faster data exchange and scalability
• D) High cost and maintenance complexity

• A) Allow multiple computers to share resources over a network
• B) Handle batch processing tasks only
• C) Focus on real-time task execution
• D) Are designed for a single-user interface

• A) IBM VM/CMS
• B) Windows Terminal Services
• C) UNIX
• D) MS-DOS

• A) Office productivity applications
• B) Real-time applications like air traffic control and robotics
• C) Batch processing of financial data
• D) Basic personal computing tasks

• A) Soft Real-Time System
• B) Distributed System
• C) Hard Real-Time System
• D) Batch Operating System

• A) Handles a large number of tasks simultaneously
• B) Provides real-time feedback
• C) Requires specialized device drivers and interrupts
• D) Easy to design and implement

• A) It allows multitasking
• B) It provides real-time response and high reliability
• C) It supports batch processing
• D) It is used for personal computing

• A) Network Operating System
• B) Multi-Programming Operating System
• C) Real-Time Operating System
• D) Time-Sharing Operating System

• A) Flexible timing requirements
• B) No virtual memory usage
• C) Delayed response times are acceptable
• D) Low priority for time-sensitive tasks