Operating Systems - An Introductory Course

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1. Processor registers serve two functions:

User-visible registers: this enables the machine or assembly language programmer to minimize main memory references by optimizing register use.

______________________________: this is used by the processor to control the operation of the processor and by privileged OS routines to control the execution of programs.
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Operating Systems - An Introductory Course - Quiz

This is a quiz on chaper one of the Operating Systems Course CIS 233 offered at Saint John's College Junior College, Belize City

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2. Stack pointer: If there is user-visible stack addressing, then there is a dedicated register that points to the top of the stack. This allows the use of the instructions that contain no _____________ field.
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3. The computers _________________________________ is ofter reffered to as real memory or primary memory.
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4. The User-Visible Registers may be referenced by machine _____________________.
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5. When discussing User- Visible Registers the types that are typically available are:
-data
- ____________________
- condition code registers
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6. Processor ________________________ are faster and smaller than main memory.
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7. The two ___________________     __________________   are MAR and MBR.
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8. The main memmory of a computer system consists of a set of locations that are defined by __________________________ numbered addresses contating either data or instructions.
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9. I enable the programmer to minimize main memory references by optimizing register use.
What am I?
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10. A ________________________ includes a set of registers that provide memory that is faster and smaller than main memory.
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11. Which of the following explains the word Volatile.
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12. When speaking of the two internal registers MAR means Memory Address Register and MBR means _________________________________________________
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13. ___________________________ can be assigned to a variety if functions by the progrmmer.
*Usually they are general purpose in nature and can be used with any machine instruction that performs operation on data.
* Some ristriction may apply
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14. True or False
On some processors, the program counter is user visible, but on many it is not visible.
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15. Data and Address Registers

What us the common mode of addressing that involves adding an index to a base value to get the effective address.
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16. The _____________________ register contains the following:
*main memory and address of data and instructions
*portion of the address that is used in the calculation of the complete of effective address.
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17. I specify the address in memory for the next read or write, what am I?
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18. Segment Pointer: With segmented _____________________, memory is divided into segments, which are variable-length blocks of words
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19. ______________________________: this is used by the processor to control the operation of the processor and by privileged OS routines to control the execution of programs.
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20. True or False
There is a clean separation of registers into User-visible registers and Control and Status registers.
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Processor registers serve two functions:User-visible registers: this...
Stack pointer: If there is user-visible stack addressing, then there...
The computers _________________________________ is ofter reffered to...
The User-Visible Registers may be referenced by machine...
When discussing User- Visible Registers the types that are typically...
Processor ________________________ are faster and smaller than main...
The two ___________________    ...
The main memmory of a computer system consists of a set of locations...
I enable the programmer to minimize main memory references by...
A ________________________ includes a set of registers that provide...
Which of the following explains the word Volatile.
When speaking of the two internal registers MAR means Memory Address...
___________________________ can be assigned to a variety if functions...
True or FalseOn some processors, the program counter is user visible,...
Data and Address RegistersWhat us the common mode of addressing that...
The _____________________ register contains the following:*main memory...
I specify the address in memory for the next read or write, what am I?
Segment Pointer: With segmented _____________________, memory is...
______________________________: this is used by the processor to...
True or FalseThere is a clean separation of registers into...
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