OS multiple choice

which of the following schedulers determines which processes are to be moved into the

ready queue?

• Job scheduler

• Short-term scheduler

• I/O schedule

• CPU scheduler

When the process is described as a "CPU-bound" process, it means that

• the process needs the CPU to spend more time doing I/O than computations

• the process needs the CPU to spend more time doing computations

• the process needs the CPU to be bounded process to self

• the process needs the CPU to be bounded to I/O devices

In the OS definition, when the OS does the execution of programs to prevent errors and improper use of the computer, then the OS is identified as:

• OS is a resource allocator

• OS is a universal program

• OS is a control program

• all are correct

the bootstrap program typically stored in

• ROM

• ERRAM

• RAM

• all the above are correct

contains entry for each I/O device indicating its type, address and state

• all the above are correct

• Drivers-status table

• system call

• Device-status table

In the storage definitions, a gigabyte (GB) is equal to

• 1024^4 bytes

• 1024^3 bytes

• 1024^1 bytes

• 1024^2 bytes

which of the following is a volatile storage structure?

• SSD

• Optic disk

• cashe

• HDD

In this OS program/command that obtains information concerning the specific configuration of the hardware system is:

• SYSYTEM

• GENSYS

• all the above

• SYSGEN

operating system failure can generate a file containing kernel memory, we call this file a:

• crash dump file

• core dump file

• long files

• all the above

In system calls, which of the following are NOT common APIs?

• Win32 API

• OS API

• Java API

• POSIX API