Computer Engineering Operating System Test 1

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  • 1/20 Questions

    GUI stands for:

    • Graphical Use Interpreter
    • Graphical User Interface
    • Graphical User Intended
    • None of the above
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About This Quiz

This is an evaluation exam for computer engineering students who are enrolled in operating systems.

Computer Engineering Operating System Test 1 - Quiz

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  • 2. 

    There are such wide differences in the hardware controlled through drivers, there are differences in the way that the driver programs function.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because hardware devices controlled through drivers can vary greatly in terms of their specifications, functionalities, and requirements. As a result, the driver programs designed for these devices also differ in their coding, protocols, and interfaces to ensure compatibility and optimal performance. Therefore, due to the wide range of hardware variations, there are indeed differences in the way driver programs function.

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  • 3. 

    One reason that drivers are separate from the operating system is so that new functions can be added to the driver.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Drivers are separate from the operating system to allow for the addition of new functions. By keeping drivers separate, it becomes easier to update or modify them without affecting the core operating system. This separation also allows for better compatibility with different hardware devices, as drivers can be specifically designed and updated to work with different devices. Additionally, separating drivers from the operating system helps to improve system stability and security, as any issues or bugs in the drivers can be isolated and addressed without impacting the entire operating system.

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  • 4. 

    The term ____________ refers to qualitative or quantitative attributes of a variable or set of variables?

    • Information

    • Data

    • Prototype

    • Validation

    Correct Answer
    A. Data
    Explanation
    Data refers to qualitative or quantitative attributes of a variable or set of variables. Data can be collected, analyzed, and used to gain insights and make informed decisions. It can be in the form of numbers, text, images, or any other format that can be processed by a computer. Data is crucial in various fields such as science, business, and technology, as it provides the foundation for research, planning, and problem-solving.

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  • 5. 

    What is the used of high-speed cache?

    • Serves as virtual RAM under the control of the operating system

    • Memory that are available to the CPU through the fastest connections

    • Random access memory that you see measured in megabytes when you buy a computer

    • Non of the above

    Correct Answer
    A. Memory that are available to the CPU through the fastest connections
    Explanation
    High-speed cache is memory that is available to the CPU through the fastest connections. It is used to store frequently accessed data and instructions, allowing the CPU to quickly retrieve them without having to access the slower main memory. This helps to improve overall system performance by reducing the time it takes for the CPU to access data.

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  • 6. 

    One of the responsibilities of the operating system

    • Perform basic tasks

    • Ensure programs and users running at the same time do not interfere with each other

    • Maintain reliability and scalability

    • Can run any many different platforms

    Correct Answer
    A. Ensure programs and users running at the same time do not interfere with each other
    Explanation
    The operating system ensures that programs and users running simultaneously do not interfere with each other. This is an important responsibility because multiple programs and users may be accessing system resources simultaneously, and without proper management, conflicts can occur. The operating system uses various techniques such as process scheduling, memory management, and resource allocation to ensure that each program and user gets fair and efficient access to system resources, preventing interference and maintaining system stability.

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  • 7. 

    All of the information needed to keep track of a process when switching is kept in a data package called?

    • Process control block

    • Process control execution

    • Interrupt

    • All of the above

    Correct Answer
    A. Process control block
    Explanation
    A process control block is a data package that contains all the necessary information to keep track of a process when switching. It includes details such as the process ID, program counter, register values, and memory allocation. This block is essential for the operating system to manage and schedule processes effectively. Therefore, the correct answer is "Process control block."

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  • 8. 

    What is NetBooting?

    • Server over the network connection

    • Remote computer connection

    • Remote access

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    NetBooting refers to the process of booting a computer system from a network rather than from a local storage device. It allows the computer to load its operating system and other necessary files directly from a server over a network connection. This enables remote computer connection and remote access, as the computer can be controlled and operated from a different location. Therefore, the correct answer is "All of the above" as all the options mentioned are valid explanations for NetBooting.

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  • 9. 

    Is a completely conventional OS that was being written entirely in assembler by two teenagers as a programming challenge.

    • LOS

    • SQOS

    • EQS

    • None of the above

    Correct Answer
    A. SQOS
    Explanation
    The given answer "SQOS" is the most suitable option because it stands for "Semi-Quasi Operating System," which aligns with the description provided in the question. The question states that the OS was being written entirely in assembler by two teenagers as a programming challenge, indicating that it is a unique and unconventional operating system. Therefore, "SQOS" seems to be the best choice among the given options.

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  • 10. 

    What will be the use of the queues and buffers?

    • To facilitate the storage I/O devices

    • To Manage I/O devices

    • Support number of processes are running and taking up processor time

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Queues and buffers are used to facilitate the storage of I/O devices by temporarily storing data that needs to be transferred between the processor and the I/O devices. They are also used to manage I/O devices by organizing and prioritizing the requests from different processes. Additionally, queues and buffers support the number of processes that are running and taking up processor time by providing a mechanism for efficient data transfer and synchronization between the processes and the I/O devices. Therefore, all of the given options are correct explanations for the use of queues and buffers.

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  • 11. 

    What is a resource?

    • Object that could link in any part of the operating systems asset

    • Is any object which can be allocated within a system

    • Composition of different hardware peripherals

    • A resource is any aid or assistance allocated in a system memory

    Correct Answer
    A. Is any object which can be allocated within a system
    Explanation
    The correct answer is "Is any object which can be allocated within a system". This answer accurately describes a resource as an object that can be allocated within a system. Resources can include various elements such as memory, files, devices, or any other entity that can be utilized by a computer system.

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  • 12. 

    How can a resource be shared in operating system?

    • Can be shared and divided into two categories namely applications software and system software

    • Resources can be shared in any application who needs assistance for productivity enhancement

    • It provides a general programming environment in which could help the developer create specific application tasks

    • Resources can be shared either through time multiplexing or space multiplexing

    Correct Answer
    A. Resources can be shared either through time multiplexing or space multiplexing
    Explanation
    In an operating system, resources can be shared through two methods: time multiplexing and space multiplexing. Time multiplexing involves dividing the resource into time slots and allowing different applications to use the resource one at a time. This ensures that each application gets a fair share of the resource. Space multiplexing, on the other hand, involves dividing the resource into separate partitions or spaces and allocating each partition to a different application. This allows multiple applications to use the resource simultaneously. Both methods enable efficient sharing of resources among different applications, enhancing productivity and overall system performance.

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  • 13. 

    ___________________ are special signals sent by hardware or software to the CPU

    Correct Answer
    Interrupts
    interrupts
    Explanation
    Interrupts are special signals sent by hardware or software to the CPU. These signals are used to interrupt the normal flow of execution and divert the CPU's attention to a specific task or event. Interrupts are commonly used to handle time-sensitive or critical events, such as receiving data from an input device or responding to an error condition. By using interrupts, the CPU can efficiently handle multiple tasks and prioritize important events without wasting processing power on unnecessary tasks.

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  • 14. 

    How THRASHING works?

    • When the system begin to use the vast majority of its available cpu cycles

    • When cpu cycles perform swapping of all its resources in the system memory

    • When the operating system itself requires some extra memory use

    • None of the above

    Correct Answer
    A. When the system begin to use the vast majority of its available cpu cycles
    Explanation
    THRASHING occurs when the system starts using most of its available CPU cycles. This means that the CPU is constantly busy and unable to handle all the tasks efficiently, resulting in a decrease in overall performance. It happens when the system is overloaded with too many processes or when the CPU is not powerful enough to handle the workload. This leads to excessive swapping of resources in the system memory, causing a constant back and forth between the CPU and memory, ultimately slowing down the system.

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  • 15. 

    What is the use of API?

    • Serves as the interface both application and operating system

    • Use the functions of the computer and operating systems w/o directly contact in the CPU

    • Create an interface for hardware processes

    • All of the above

    Correct Answer
    A. Use the functions of the computer and operating systems w/o directly contact in the CPU
    Explanation
    APIs, or Application Programming Interfaces, are used to provide a set of functions and protocols that allow different software applications to communicate with each other. They serve as an interface between applications and the operating system, enabling developers to use the functions of the computer and operating systems without directly contacting the CPU. This allows for easier and more efficient development of software, as developers can rely on the API to handle complex tasks and interactions with the underlying hardware and operating system processes. Therefore, the correct answer is "Use the functions of the computer and operating systems without directly contacting the CPU."

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  • 16. 

    Tao OS formerly known as?

    • OS/2 Warp

    • Elate

    • Unix

    • None of the above

    Correct Answer
    A. Elate
  • 17. 

    How do we avoid THRASHING?

    • Reducing the use of the system memory

    • Eliminate or minimize various tasks

    • Minimize process control block

    • All of the above

    Correct Answer
    A. Eliminate or minimize various tasks
    Explanation
    To avoid thrashing, it is important to eliminate or minimize various tasks. Thrashing occurs when the system is overwhelmed with excessive tasks, causing it to spend more time on task switching rather than executing the tasks themselves. By eliminating or minimizing tasks, the system can focus on executing the necessary tasks efficiently and effectively, reducing the likelihood of thrashing. This can be achieved by optimizing the system's resources and prioritizing the most important tasks, ensuring that the system memory is utilized effectively and not overloaded.

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  • 18. 

    The operating system most balance the needs of the various processes so that it could generate an output.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The operating system does not directly generate output. Its main function is to manage and coordinate the resources of the computer system, including allocating CPU time, memory, and input/output devices to different processes. The operating system ensures fairness and efficiency in resource allocation, but it does not directly generate output. Output is typically generated by specific applications or processes running on top of the operating system. Therefore, the statement is false.

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  • 19. 

    What is Symmetric operating systems?

    • Divide application processes among the remaining CPUs

    • Divide its process in the memory cache

    • Distribute its process to the available cpu

    • All of the above

    Correct Answer
    A. Distribute its process to the available cpu
    Explanation
    Symmetric operating systems distribute their processes to the available CPUs. This means that the operating system assigns different processes to different CPUs in order to maximize efficiency and utilize the available resources effectively. By distributing the processes, the operating system can ensure that each CPU is being utilized and that the workload is evenly balanced across all the available CPUs. This helps in improving the overall performance and responsiveness of the system.

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  • 20. 

    What are the 6 operating system tasks?

    • Application programming interface

    • Application software

    • Processor management

    • Memory management

    • I/O management

    • Device management

    • Storage management

    • Application interface

    • User interface

    Correct Answer(s)
    A. Processor management
    A. Memory management
    A. Device management
    A. Storage management
    A. Application interface
    A. User interface
    Explanation
    The correct answer includes the tasks that an operating system performs. Processor management involves allocating and scheduling tasks for the CPU. Memory management involves allocating and managing memory resources. Device management involves controlling and coordinating input and output devices. Storage management involves managing storage resources like disks and file systems. Application interface refers to the interface that allows applications to interact with the operating system. User interface refers to the interface that allows users to interact with the operating system.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 08, 2010
    Quiz Created by
    Jah359
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