c 191 WGU Pre Assessment (NEW)

c 191 WGU Pre Assessment (NEW) 5.0 (2 reviews) Terms in this set (60) Science Computer Science Save Practice questions for this set Learn1 / 7Study using Learn A company requires a computing environment that supports high-volume data processing and the management of a large amount of storage.Which computing environment should the company use?Choose an answer

1Desktop2Cpu:

3Mainframe4Microcomputer Don't know?

What is an operating system (OS)? Software that runs on bare hardware Which type of CPU instruction sets are supported by the CPU user mode?Only non-privileged What are two locations where firmware can be stored? Choose 2 answers.Dynamic random-access memory (DRAM), Flash memory Which generation of computers were large-scale integrated circuits used to develop personal computers for desktop and laptop operating systems?4th A company requires a computing environment that supports high- volume data processing and the management of a large amount of storage.Which computing environment should the company use?Mainframe What is a system service?An application included with an operating system to provide functionality beyond the kernel A company needs to determine when a computer experiences a microprocessor interrupt that is the result of a division by zero. Which operating system (OS) service should be used?Error detection

Which interface allows combining multiple programs using the output from one as the input to another?Command-line interface (CLI) Which command is used to determine the number of lines in a file?wc Which cyberattack prevents a legitimate user from accessing an application in a timely manner?Denial-of-service Which operating environment is used to run an embedded system?Real-time What is a thread?Part of a process that can run concurrently with other parts What are the two properties of threads?User-level threads are faster to manage than kernel-level threads, Using multiple threads within a process is more efficient than using multiple processes Which component is responsible for running and suspending tasks in a multitasking operating system (OS)?Process manager Which resource is virtualized by multitasking?Processor Which technique is used to execute several jobs by time-sharing among them?Multitasking

What is a computer program in execution called?Process What is the relationship between threads, processes, and global data?All threads within a process share the same copy of global data.What does each thread of a multi- threaded process use to access shared code?Program counter What is a critical section? An area of code that cannot be entered by a process while another process is executing a corresponding area of the code.How do threads differ from processes?Threads execute portions of a program within a process.Which scheduler is used to decide the ready processes that should run next on the CPU?Short-term A process is not attempting to enter the critical section (CS), but it is preventing other processes from entering the CS.Which situation was caused by this process?Lockout Which step is completed first during an input/output (I/O) call?The process is placed on the wait queue