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OSG202 Final Questions And Answers Latest Study Solutions

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OSG202 Final Questions And Answers Latest Study Solutions / A CPU may have separate fetch, decode and execute units, so that can carry out three steps of the three instructions in the same time is called: [A] Multicore [B] Pipeline [C] None of the other choices [D] Superscalar ANS...

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  • November 6, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • osg202 final
  • OSG202 F
  • OSG202 F
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OSG202 Final Questions And Answers Latest Study
Solutions
127/ A CPU may have separate fetch, decode and execute units, so that can carry out three steps of
the three instructions in the same time is called:
[A]
Multicore
[B]
Pipeline
[C]
None of the other choices
[D]

Superscalar ANS B


197/ A CPU may have multiple execution units, so that can carry out multiple instructions in the
same time is called:
a. Pipeline
b. Superscalar
c. Multicore

d. None of the other choices ANS B



Examples of general purpose stored program computers ANS MP3 player


10/ The two basic types of processor registers are:
a. General and special registers
b. Control and Status registers
c. User-visible and user-invisible registers

d. None of the above ANS A

,192/ Which of special register contains the condition code bits, the CPU priority, the mode bit and
other control bits?
[A]
Program Status Word (PSW)
[B]
None of the other choices
[C]
Instruction Register (IR)
[D]

Program Counter (PC) ANS A


3/ The four main structural elements of a computer system are:
a. Processor, Registers, I/O Modules, Main Memory
b. Processor, Registers, Main Memory, System Bus
c. Processor, Main Memory, I/O Modules, System Bus
d. None of the above
.

main structural elements of a computer system ANS C


89/ The language of the CPU is known as its
[A]
Register set
[B]
Control unit set
[C]
Instruction set
[D]

None of the other choices ANS C

, 200/ Which of main bus in the IBM PC computer, that can run at 66 MHz and transfer 8 bytes at a
time?
a. ISA (Industry Standard Architecture)
b. PCI (Peripheral Component Interconnect)
c. ISA and PCI

d. None of the other choices ANS B


178/ Which is the fastest bus in the IBM PC computer?
[A]
ISA (Industry Standard Architecture)
[B]
USB (Universal Serial BUS)
[C]
IDE (Integrated Drive Electronic)
[D]

PCI (Peripheral Component Interconnect) ANS A



Operating mode ANS Operating mode


1/ Which of the following statements is incorrect about user mode and kernel mode?
a. In kernel mode, the OS can execute every instruction in the instruction set
b. In user mode, user program can execute only a subset of instructions
c. Having two modes of operation helps prevent user programs from accessing critical instructions

d. None of the above ANS D


7/ What is correct about trap instructions and interrupts?


a. A trap instruction switch the execution mode of a CPU from the user mode to the kernel mode.
b. A trap instruction is caused by a user program to invoke functions in the OS kernel

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