Error Detection and Resource Allocation in Operating Systems

What information does an operating system need to determine in order to configure itself for a specific computer site?

Which device drivers to include

Which tool allows for live instrumentation on production systems in Solaris, FreeBSD, and Mac OS X?

DTrace

What does the 'top' program in UNIX-like systems measure and display?

System behavior measures

What happens if you write code as cleverly as possible?

You need to debug it more Signup and view all the answers

What is one of the key pieces of information needed to configure an operating system for a specific computer site?

What CPU(s) are installed on the system Signup and view all the answers

In the context of operating systems, what does RAM refer to?

Random Access Memory Signup and view all the answers

What is the purpose of resource allocation in an operating system?

To allocate resources such as CPU cycles and memory to multiple users or jobs running concurrently Signup and view all the answers

What is the main function of a CLI or command interpreter?

To allow direct command entry for executing functions Signup and view all the answers

How does protection in an operating system contribute to security?

By controlling access to system resources Signup and view all the answers

What is the primary objective of accounting in an operating system?

To keep track of user resource usage Signup and view all the answers

What are some common elements of a user-friendly desktop metaphor interface?

Icons representing files and programs, mouse, keyboard, and monitor Signup and view all the answers

In a multiuser system, how does protection help in preventing interference between concurrent processes?

By ensuring controlled access to system resources Signup and view all the answers

What benefit is associated with using a microkernel architecture in operating systems?

Easier to extend the kernel Signup and view all the answers

Which aspect is a detriment of using a microkernel architecture in operating systems?

Higher performance overhead Signup and view all the answers

Which approach allows modern operating systems to dynamically load core components as needed?

Hybrid model Signup and view all the answers

What is a key characteristic of loadable kernel modules in modern operating systems?

They can communicate freely without restrictions Signup and view all the answers

Which operating system is described as mostly monolithic with a microkernel for different subsystem personalities?

Windows Signup and view all the answers

What type of virtual machine does Android use for running applications developed in Java?

Dalvik Virtual Machine Signup and view all the answers

What framework does Android include for web browsing?

WebKit Signup and view all the answers

Which law states that 'Debugging is twice as hard as writing the code in the first place'?

Kernighan’s Law Signup and view all the answers

'Failure of an application can generate which type of file capturing process memory?'

'Dump file' Signup and view all the answers

What makes debugging twice as hard as writing the code initially according to Kernighan’s Law?

Finding and fixing bugs in the code is more challenging than writing it. Signup and view all the answers