This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Memory Management”.1. CPU fetches the instruction from memory according to the value of ____________ a) program counterb) status registerc) instruction register

Multiple Choice QuestionWhat manages hardware and software, supports the computer's basic functions, and runs programs?Multiple choice question.ROMOSRAMBIOS

QUESTION ONE:                    One of the reasons for having an OS is to provide a user interface to a computer system                  –Name two different types of interface that an OS should provide                 –Identify for each type of interface a device that could be used to enter data                –Identify and explain briefly three other management tasks carried out by an OS QUESTION TWO:•A PC OS will make available to a user a number of utility programs–Identify two utility programs that might be used to deal with a hard disk problem–For each of these utility programs explain why it might be needed and explain what it does–Identify two other utility programs for a PC user•Library programs are made available for programmers–Explain why a programmer should use library programs–Identify two examples of a library program QUESTION THREE:•Assemblers, compilers and interpreters are examples of translation programs–State the difference between an assembler and a compiler or interpreter–A ‘two-pass’ assembler is usually used. Give two examples of what might be done in the first pass–State what will be produced in the second pass•A programmer can choose to use an interpreter or a compiler.–State three differences between how an interpreter works and how a compiler works–Discuss the advantages and disadvantages of an interpreter compared to a compiler–If a programmer chooses java, a special approach is used. Identify one feature of this special approach.

On systems where there are multiple operating system, the decision to load a particular one is done by _____________

Which of the following are common operating systems? Select three answers.1 pointLinuxmacOS®WindowsPC

Question 1Which of the following statements accurately describe operating systems? Select all that apply.1 pointComputers have operating systems, but smartphones and tablets do not have them. Operating systems are responsible for making computers run efficiently.Operating systems are a type of computer hardware.Operating systems help people and computers communicate.2.Question 2Which of the following operating systems were designed to run on desktop and laptop computers? Select two answers.1 pointmacOS®AndroidWindowsiOS3.Question 3What is a bootloader?1 pointA program that loads the BIOS or UEFI chipA program that starts an operating systemA program that checks for malware infections on a computerA program that communicates instructions to the user4.Question 4Fill in the blank: When someone uses a computer application, the _____ interprets the user's requests and directs them to the appropriate components of the computer's hardware.1 pointoperating systemBIOSbootloaderCPU5.Question 5If you wanted to download a file from an internet browser, which of these things would happen? Select three answers.1 pointThe operating system would communicate with hardware to download the file.The application would communicate directly with hardware to download the file.The application would communicate the request to the operating system.You would initiate the task by clicking the download button in the application.6.Question 6Which of the following are key types of user interfaces? Select two answers.1 pointSystemMobileCommand lineGraphical7.Question 7Which of the following statements correctly describe GUIs and CLIs? Select three answers.1 pointA CLI can complete multiple tasks efficiently.A GUI is a user interface that uses icons.CLI commands execute tasks, such as opening a program.A CLI includes a start menu and taskbar.8.Question 8A security team responds to a breach by following the instructions from their playbook. They later want to ensure all of the commands they entered were correct. So, they review the saved steps they performed in the command line. What does this scenario describe?1 pointReviewing a history file in a CLIRepeating a process using iconsReviewing a history file in a GUISaving files and applications from a start menu9.Question 9Fill in the blank: The _____ ensures the limited capacity of a computer system is used where it's needed most.1 pointhardwaretask manageroperating systembootloader