OSG202 Complete Questions And Answers With Latest Updates
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Course
OSG202
Institution
OSG202
OSG202 Complete Questions And Answers With Latest Updates
As one proceeds down the memory hierarchy (from inboard memory to offline storage), which of the following conditions is correct?
Increasing cost per bit
Decreasing access time
None of the other choices
Increasing capacity ANS D
Whi...
OSG202 Complete Questions And Answers With
Latest Updates
As one proceeds down the memory hierarchy (from inboard memory to offline storage), which of the
following conditions is correct?
Increasing cost per bit
Decreasing access time
None of the other choices
Increasing capacity ANS D
Which is not an example of a resource that is commonly time-multiplexed? *
0/1
CPU
Main memory
Graphics accelerator
Network interface ANS B
Which of the following instructions should be allowed only in kernel mode? *
1/1
Change the memory map
Disable all interrupts
Set the time-of-day clock
All of the other choices ANS D
Which of the following is not a step in the boot process? *
1/1
Configuration and customization settings are checked
The operating system is loaded into RAM
The antivirus program checks all files for viruses
,The BIOS is activated by powering on the CPU ANS C
Which of the main bus in the IBM PC computer that can run at 66 MHz and transfer 8 bytes at a
time? *
1/1
ISA and PCI
ISA (Industry Standard Architecture)
PCI (Peripheral Component Interconnect)
None of the other choices ANS C
Which of the following instructions should be allowed only in kernel mode? *
1/1
ADD of two numbers
AND of two numbers
Disable all interrupts
Read the time-of-day clock ANS C
The general role of an operating system is to: *
0/1
Provide a set of services to system users
None of the other choices
Act as an interface between various computers
Manage files for application programs ANS A
What is not a main function of an operating system? *
0/1
Provide the users with an extended (virtual) machine
Manage the I/O devices
Provide user interfaces
,Support virtual memory ANS C
List of memory location, that contains the executable program, the program's data, and its stack is
called: *
0/1
set of resources
address space
all of the other choices
address memory ANS B
Examples of general purpose stored program computers include the following except *
1/1
Personal computers
Network servers
Workstations
MP3 player ANS d
The two basic types of processor registers are: *
1/1
None of the other choices
General and special registers
Control and Status registers
User-visible and user-invisible registers ANS b
An operating system *
1/1
Manages hardware resources in a computer system
Manages software resources in a computer system
, Deals with complex hardware resources and provides the user a virtual/extended machine that is
much easier to deal with than the physical machine
All of the other choices ANS d
Which of the following statements about Random Access Memory (RAM) is correct? *
1/1
Can only be read sequentially
Is volatile
Is typically faster than cache memory
Stores all the files on the computer ANS B
Which of the following instructions should be allowed in user mode? *
1/1
Disable all interrupts
Read the time-of-day clock
Set the time-of-day clock
Change the memory map ANS b
Which of the following actions generates an external interrupt? *
0/1
A system call instruction is executed.
An input/output operation is completed.
Division by zero occurs.
A page that does not exist in the main memory is accessed by the virtual storage management.
ANS b
Which of the following statements about the CMOS is incorrect? *
1/1
To contain BIOS
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