alvs.docx

1\. \*\*What does an operating system manage?\*\* \- a) Hardware \- b) Memory, hardware, and software \- c) Data \- d) Applications \*\*Answer: b) Memory, hardware, and software\*\* 2\. \*\*Which of the following is a server operating system?\*\* \- a) Android \- b) Ubuntu \- c) Windows 11...

1\. \*\*What does an operating system manage?\*\* \- a) Hardware \- b) Memory, hardware, and software \- c) Data \- d) Applications \*\*Answer: b) Memory, hardware, and software\*\* 2\. \*\*Which of the following is a server operating system?\*\* \- a) Android \- b) Ubuntu \- c) Windows 11 \- d) Harmony OS \*\*Answer: b) Ubuntu\*\* 3\. \*\*Which OS is typically used on mobile devices?\*\* \- a) Chrome OS \- b) Windows Server \- c) Android \- d) Oracle Solaris \*\*Answer: c) Android\*\* 4\. \*\*Which of the following is a type of user interface?\*\* \- a) Programming Interface \- b) Graphical User Interface \- c) Binary Interface \- d) Compiler \*\*Answer: b) Graphical User Interface\*\* 5\. \*\*What is a command line interface (CLI)?\*\* \- a) A system for typing commands into a terminal \- b) A graphical system using windows and icons \- c) A storage management system \- d) A file explorer \*\*Answer: a) A system for typing commands into a terminal\*\* 6\. \*\*What is an example of a synchronous signal?\*\* \- a) SIGKILL \- b) Program error signal \- c) Keyboard signal \- d) Hardware failure \*\*Answer: b) Program error signal\*\* 7\. \*\*Which shell is default on macOS?\*\* \- a) CMD \- b) ZSH \- c) BASH \- d) Korn shell \*\*Answer: b) ZSH\*\* 8\. \*\*Which shell is the default in most Unix-like systems?\*\* \- a) CMD \- b) ZSH \- c) BASH \- d) Windows PowerShell \*\*Answer: c) BASH\*\* 9\. \*\*What is process management in an operating system?\*\* \- a) Managing files \- b) Managing network connections \- c) Creating and terminating processes \- d) Displaying user interfaces \*\*Answer: c) Creating and terminating processes\*\* 10\. \*\*Which of the following is an example of an asynchronous signal?\*\* \- a) Memory access failure \- b) SIGKILL \- c) CPU interrupt \- d) File system error \*\*Answer: b) SIGKILL\*\* 11\. \*\*Which system call would an OS use to create a process?\*\* \- a) Kill \- b) Create \- c) Interrupt \- d) Signal \*\*Answer: b) Create\*\* 12\. \*\*Which function manages user input/output devices?\*\* \- a) File management \- b) Security management \- c) I/O device management \- d) Process management \*\*Answer: c) I/O device management\*\* 13\. \*\*Which OS is known for its focus on security and penetration testing?\*\* \- a) Windows Server \- b) Ubuntu \- c) Kali Linux \- d) iOS \*\*Answer: c) Kali Linux\*\* 14\. \*\*What is the function of secondary storage management?\*\* \- a) To manage short-term memory \- b) To manage long-term storage devices \- c) To handle system crashes \- d) To manage network connections \*\*Answer: b) To manage long-term storage devices\*\* 15\. \*\*Which of these is not a client operating system?\*\* \- a) iOS \- b) Harmony OS \- c) Windows Server \- d) Chrome OS \*\*Answer: c) Windows Server\*\* 16\. \*\*Which system call allows a process to request services from the kernel?\*\* \- a) Signal \- b) Create \- c) System call \- d) Interrupt \*\*Answer: c) System call\*\* 17\. \*\*Which of the following is a function of file management in an OS?\*\* \- a) Processing I/O operations \- b) Managing file storage and access permissions \- c) Network connection handling \- d) Managing active processes \*\*Answer: b) Managing file storage and access permissions\*\* 18\. \*\*Which type of signal can be generated by pressing CTRL+C?\*\* \- a) SIGFPE \- b) SIGTERM \- c) SIGKILL \- d) SIGINT \*\*Answer: d) SIGINT\*\* 19\. \*\*What is a key feature of a graphical user interface (GUI)?\*\* \- a) Command-line access \- b) Icons, buttons, and windows for interaction \- c) Scripting capabilities \- d) Network administration \*\*Answer: b) Icons, buttons, and windows for interaction\*\* 20\. \*\*Which of the following is not a process management task?\*\* \- a) Scheduling \- b) Terminating processes \- c) Displaying files \- d) Resource allocation \*\*Answer: c) Displaying files\*\* 21\. \*\*What happens when a SIGKILL signal is sent to a process?\*\* \- a) The process pauses temporarily \- b) The process is terminated forcefully \- c) The process closes all files first \- d) The process continues running \*\*Answer: b) The process is terminated forcefully\*\* 22\. \*\*What is an example of secondary storage?\*\* \- a) RAM \- b) Hard drive \- c) CPU cache \- d) Registers \*\*Answer: b) Hard drive\*\* 23\. \*\*What is the default action when a SIGINT signal is sent to a process?\*\* \- a) Terminate the process \- b) Pause the process \- c) Restart the process \- d) Log the event \*\*Answer: a) Terminate the process\*\* 24\. \*\*What is the primary role of network management in an OS?\*\* \- a) Managing user access permissions \- b) Monitoring network traffic and connections \- c) Controlling input/output devices \- d) Allocating memory \*\*Answer: b) Monitoring network traffic and connections\*\* 25\. \*\*Which of the following is a proprietary client operating system?\*\* \- a) Android \- b) Windows 11 \- c) Red Hat \- d) Kali Linux \*\*Answer: b) Windows 11\*\* 26\. \*\*Which system call is used by an OS to terminate a process?\*\* \- a) Interrupt \- b) System call \- c) Kill \- d) Signal \*\*Answer: c) Kill\*\* 27\. \*\*What is a user-defined signal handler?\*\* \- a) A predefined system response to a signal \- b) A custom procedure for handling signals in a process \- c) A hardware interrupt \- d) A network error handler \*\*Answer: b) A custom procedure for handling signals in a process\*\* 28\. \*\*Which of these operating systems is open-source?\*\* \- a) iOS \- b) MacOS \- c) Android \- d) Windows Server \*\*Answer: c) Android\*\* 29\. \*\*What does security management in an OS handle?\*\* \- a) Protecting against unauthorized access to resources \- b) Managing peripheral devices \- c) Displaying the user interface \- d) Allocating system memory \*\*Answer: a) Protecting against unauthorized access to resources\*\* 30\. \*\*Which of these is not an operating system?\*\* \- a) Oracle Solaris \- b) Android \- c) ZSH \- d) Windows Server \*\*Answer: c) ZSH\*\* 31\. \*\*What is the purpose of a command interpreter?\*\* \- a) To allocate memory to programs \- b) To manage files \- c) To interpret user commands and execute them \- d) To manage input/output devices \*\*Answer: c) To interpret user commands and execute them\*\* 32\. \*\*Which OS is optimized for use with Apple hardware?\*\* \- a) MacOS \- b) Ubuntu \- c) Windows 11 \- d) Red Hat \*\*Answer: a) MacOS\*\* 33\. \*\*Which type of operating system is Ubuntu commonly classified as?\*\* \- a) Proprietary \- b) Open-source \- c) Mobile OS \- d) Server-only OS \*\*Answer: b) Open-source\*\* 34\. \*\*Which of these processes cannot handle a SIGKILL signal?\*\* \- a) Web browser \- b) Database server \- c) File manager \- d) No process can handle SIGKILL \*\*Answer: d) No process can handle SIGKILL\*\* 35\. \*\*What is the function of I/O device management in an OS?\*\* \- a) To manage file storage \- b) To control hardware devices like printers and keyboards \- c) To allocate system memory \- d) To manage user accounts \*\*Answer: b) To control hardware devices like printers and keyboards\*\* 36\. \*\*What is process synchronization in OS terms?\*\* \- a) Making sure processes don\'t interfere with each other \- b) Allocating system memory \- c) Displaying system logs \- d) Managing external devices \*\*Answer: a) Making sure processes don\'t interfere with each other\*\* 37\. \*\*What does the system call \`fork()\` do?\*\* \- a) Deletes a process \- b) Duplicates a process \- c) Pauses a process \- d) Kills a process \*\*Answer: b) Duplicates a process\*\* 38\. \*\*What is the role of system logs in an OS?\*\* \- a) To log hardware issues \- b) To keep records of system events and errors \- c) To monitor user actions \- d) To store user files \*\*Answer: b) To keep records of system events and errors\*\* 39\. \*\*Which feature is characteristic of a real-time operating system (RTOS)?\*\* \- a) Fast boot time \- b) Minimal user interface \- c) Predictable and fast response to external events \- d) High-level encryption \*\*Answer: c) Predictable and fast response to external events\*\* 40\. \*\*What distinguishes a client OS from a server OS?\*\* \- a) Client OS is for managing servers \- b) Server OS manages network resources and services \- c) Client OS has no graphical user interface \- d) Server OS has limited applications \*\*Answer: b) Server OS manages network resources and services\*\*