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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"
Note 
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