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1 1 0 . What is the right definition of an operating system : A . It is the one program running some times on
What is the right definition of an operating system :
A It is the one program running some times on the computer usually called the kernel
B It is a software that manages the computer hardware and provides an environment for applicationprograms to run
C It is a program that acts as an intermediary between data and the computer hardware
D It is some information processed at all times on the computer usually called the kernel
For an OS a Batch file is considered as one component of:
A the security layer
B the file management layer
C Kernel process manager
D User interface layer
is one of the operating system functions :
A user border
B memory management
C information management
D Terminal management
The steps of invocation of application by OS include:
A OS does not requests user input to identify application "file"
B OS fetches instructions of application
C OS loads the memory address of the application's starting instruction into the PC
D OS analyses instructions of application
An Application designer considers OS as:
A A set of models
B A set of services
C A set of system calls
D A set of code lines
The mode bit is a bit not used :
A to specify user mode and kernel mode
B to differentiate when system is running user code or kernel code
C to specify user mode and privileged mode
D to specify only the user mode
An application developer thinks that OS is:
A A set of facilities
B A set of services
C A set of forms
D A set of system calls
A c language programmer identifies system call by using:
A A number
B the name of the wrapper of the system callc statement
C The general name of API
D The specific name of an API library
OS can't be invoked through:
A signal interrupt
B link
C system call
D Error
is not one of the operating system functions :
A Process management
B Device management
C Memory management
D data management
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