OS - Module 1 Quiz 1

Application Programs

Computer system components that define the ways in which the system resources are used to solve the computing problems of the users.

Caching

Copying information into faster storage system; main memory can be viewed as a last cache for secondary storage.

I/O Devices

Keyboards, mice, display screens, small printers are examples of ______________.

I/O Controller Hub or Southbridge or SoC

In computer organization, all integrated devices and low speed devices are placed in a single chip called_______

Mainframe Systems

A system that reduces setup time by batching similar jobs

Quadword or QWord or Word

It pertains to computer architecture unit of data that is 64 bits in size.

Hard Disk Drives

A rigid metal or glass platters covered with magnetic recording material

Ready Queue

A set of all processes residing in main memory, ready and waiting to execute

Main Memory

The only large storage media that the CPU can access directly

System bus or data bus

Data fetched from the memory and moved into the CPU traverses via ________.

kernel

The one program running at all times

Multitasking or Timesharing

A system where the CPU is multiplexed among several jobs that are kept in memory and on disk (the CPU is allocated to a job only if the job is in memory)

Address Memory or Logical Address or Virtual Address

It pertains to an address of the application inside the operating system which can be used to connect to any other application on any platform.

virtual machine manager

A virtualization model where the virtual machine is running on top of the host operating system.

system call

It pertains to a request for operating system service

job queue

It pertains to a set of all processes in the system

DMA or Direct Access Memory Stucture

Used for high-speed I/O devices able to transmit information at close to memory speeds without CPU intervention

Secondary Storage

Extension of main memory that provides large nonvolatile storage capacity

dII or .dll or dynamic link-library or .sys

Device drivers are usually made up of __________________ file type.

plug and play

It is one with a specification that facilitates the discovery of a hardware component in a system without the need for physical device configuration or user intervention in resolving resource conflicts.

Emulation

It pertains to operating system implementation that can allow an OS to execute on a non-native hardware.

User Mode

The execution done on behalf of a user

thread of execution or thread

It is the smallest sequence of programmed instructions that can be managed independently by a scheduler.

Memory Management

An OS features where the system must allocate the memory to several jobs

Memory bus

In computer organization, the read or write operations of the computer systems traverses via

Symmetric multiprocessing or SMP

A parallel system where each processor runs and identical copy of the operating system.

personal computer

Computer system dedicated to a single user

Real-time Systems

A computer system that often used as a control device in a dedicated application such as controlling scientific experiments, medical imaging systems, industrial control systems, and some display systems.

**Asymmetric Multiprocessing**

A parallel system where each processor is assigned a specific task; master processor schedules and allocated work to slave processors.

accumulator or memory

In computer architecture, this is where the results of the operations are being stored.

Monitor Mode

The execution done on behalf of operating system

Interrupt or Interrupt request

It refers to a signal coming from an input/output devices to temporarily halt CPU execution

Processes or tasks

WIndows : Threads | Linux : ___________

Northbridge or System Controller or Microprocessor

In computer organization, high speed devices are placed in a single chip called

CPU Scheduling

An OS features where the system must choose among several jobs ready to run.

Interrupt Request

A hardware signal sent to the processor that temporarily stops a running program and allows a special program.

Trap

A software-generated interrupt caused either by an error or a user request

Parallel Systems or Tightly-Coupled Systems ??

A computer system where there are multiprocessor systems with more than on CPU in close communication

Context Switch

What term best describe when CPU switches to another process, the system must save the state of the old process and load the saved state for the new process

Ready

A process state where it is waiting to be assigned to a CPU

Hardware

Computer system components that provides basic computing resources.

RAM or Main Memory or DRAM or CPU

In computer organization, when an code is being executed, it is being fetched from the memory and loaded into

Pipes or Shared Memory??

It serves as a raceway allowing two running programs to communicate with each other.

Signal

Windows OS: Interrupt | Unix : __________

Bus or Port Number or Interrupt number

It is a number assigned to every peripheral that is being used to communicate with the CPU.

Users

Computer system components that refers to people, machines, other computers.

Distributed Sytems

A computer system that distributes the computation among several physical processors.

Handheld Systems or Mobile

A computer system that pertains to PDAs and Cellular telephones

Program Counter

It is a storage that currently holds the address of the intruction currently being executed

PowerShell

What do you call a Windows Operating system equivalent to bourne shell?

Connection-Oriented

Connectionless

Multicast Socket

Which of the following are characteristics of a JAVA ports?

Connection-Oriented

Connectionless

Multicast Socket

Best Effort

Reliable

Brute Force

code

data

files

Which of the following are shared among multiple threaded processes?

code

data

files

registers

Program Counter

stack

registers

Program Counter

stack

Which of the following are unique among multiple threaded processes?

job

The term used interchangeably with process.

orphan

If a parent process is closed without invoking the wait() function, the process is called

Stubs

It's a client-side proxy for the server's real process.

Linux

Unix

MAC OS X

PThreads are usually used by which Operating Systems?

Linux

Unix

MAC OS X

Android

IOS

Windows

Ports

RPC

IP

Which of the following pertains to communications in a Client-Server network systems?

Ports

RPC

IP

MAC

Protocols

direct

synchronous

explicit buffering

Which of the following includes local implementation of communication link?

direct

synchronous

explicit buffering

network

shared memory

hardware bus

Parallelism

It indicates that a machine can accomplish many things at a time

POSIX Pthreads

Windows Threads

Java Threads

Which of the following are performed by a user-level threads libraries

\
POSIX Pthreads

Windows Threads

Java Threads

MAC OS X

Threads Linux Threads

IOS Threads

loopback

It refers to an Internet Protocol Address on which the system process is running

rendezvous

If both transmit and reception are blocking in process synchronization, it is called

network

shared memory

hardware bus

Which of the following includes physical implementation of communication link?

\
direct

synchronous

explicit buffering

network

shared memory

hardware bus

Monitor Mode or Main Mode

It is also known as kernel mode or system mode"