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OSG202 Complete Study Questions And Answers With Verified Updates

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OSG202 Complete Study Questions And Answers With Verified Updates Which of the following actions generates an external interrupt? * 1/1 A system call instruction is executed. Division by zero occurs. An input/output operation is completed. A page that does not exist in the main memory is acce...

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  • November 6, 2024
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OSG202 Complete Study Questions And Answers
With Verified Updates
Which of the following actions generates an external interrupt? *
1/1
A system call instruction is executed.
Division by zero occurs.
An input/output operation is completed.

A page that does not exist in the main memory is accessed by the virtual storage management.
ANS An input/output operation is completed.


The language of the CPU is known as its *
1/1
Instruction set
None of the other choices
Register set

Control unit set ANS Instruction set


Which of special register contains the Mode Bit (user or kernel)? *
1/1
Program Status Word (PSW)
Instruction Register (IR)
Program Counter (PC)

None of the other choices ANS Program Status Word (PSW)


What part of the boot process determines whether the peripheral devices are working properly? *
1/1
CMOS
POST

,ROM

BIOS ANS POST


As one proceeds down the memory hierarchy (from inboard memory to offline storage), the
following conditions apply: *
1/1
Increasing capacity
Increasing access time
Decreasing cost per bit

All of the other choices ANS All of the other choices


Examples of general purpose stored program computers include the following except *
1/1
Personal computers
Network servers
Workstations

MP3 player ANS MP3 player


Which of special register contains the condition code bits, the CPU priority, the mode bit and other
control bits)? *
1/1
Instruction Register (IR)
Program Status Word (PSW)
Program Counter (PC)

None of the other choices ANS Program Status Word (PSW)


As one proceeds down the memory hierarchy (from inboard memory to offline storage), which of the
following conditions is correct? *
1/1
Increasing access time

,None of the other choices
Decreasing capacity

Increasing cost per bit ANS Increasing access time


Which of the following statements about Random Access Memory (RAM) is correct? *
1/1
Can only be read sequentially
Stores all the files on the computer
Is volatile

Is typically faster than cache memory ANS Is volatile


Which of the following is not a step in the boot process? *
1/1
The antivirus program checks all files for viruses
Configuration and customization settings are checked
The operating system is loaded into RAM

The BIOS is activated by powering on the CPU ANS The antivirus program checks all files for
viruses


Which of the following is not a operating mode of CPU *
1/1
Kernel mode
Management mode
User mode

None of the other choices ANS Management mode


Which of the following instructions should be allowed in user mode? *
1/1

, Read the time-of-day clock
Set the time-of-day clock
Change the memory map

Disable all interrupts ANS Read the time-of-day clock


Where is the position of the operating system in computer system: *
1/1
Above the hardware and under the user interface program
None of the other choices
In user space

Between the user interface program and the application Program ANS Above the hardware and
under the user interface program


As one proceeds down the memory hierarchy (from inboard memory to offline storage), which of the
following conditions is correct? *
1/1
Decreasing access time
None of the other choices
Increasing capacity

Increasing cost per bit ANS Increasing capacity


Which is not an example of a resource that is commonly time-multiplexed?
1/1
CPU
Main memory
Graphics accelerator

Network interface ANS Main memory


Which of the main bus in the IBM PC computer that can run at 66 MHz and transfer 8 bytes at a
time? *

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