
Operating system review

Quiz
•
Computers
•
University
•
Easy
Sáng Nguyễn
Used 1+ times
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45 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The __________ is the interface that is the boundary between hardware and software.
A) ABI
B) ISA
C) IAS
D) API
Answer explanation
ISA: Instruction set Architecture: is iterface which is boundary between hardware and software
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A(n) __________ is a set of resources for the movement, storage, and processing of data and for the control of these functions.
A) architecture
B) program
C) computer
D) application
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The operating system's __________ refers to its inherent flexibility in permitting functional modifications to the system without interfering with service.
A) efficiency
B) ability to evolve
C) controlled access
D) convenience
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Operating systems must evolve over time because:
A) new hardware is designed and implemented in the computer system
B) hardware must be replaced when it fails
C) hardware is hierarchical
D) users will only purchase software that has a current copyright date
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A special type of programming language used to provide instructions to the monitor is __________ .
A) FPL
B) JCL
C) DML
D) SML
A) FPL
B) JCL
C) DML
D) SML
Answer explanation
JCL stand for job control language: provide instructions for monitor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hardware features desirable in a batch-processing operating system include memory protection, timer, privileged instructions, and __________ .
A) clock cycles
B) associated data
C) interrupts
D) kernels
Answer explanation
In batch processing operating system, hardware features desirables have 4 properties:
- memory protection: must not alter memory area contain monitor.
- Timer: prevent job from monopolizing the system.
- Privileged instructions: can only executed in the monitor
- Interrupts: give Os flexibility.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A user program executes in a __________ , in which certain areas of memory are protected from the user's use, and in which certain instructions may not be executed.
A) kernel mode
B) user mode
C) task mode
D) batch mode
A) kernel mode
B) user mode
C) task mode
D) batch mode
Answer explanation
Modes of operations:
-User mode: là nơi để thực hiện chương trình của người dùng, một vài vùng nhớ không bị, một vài câu lệnh có thể không được thực hiện.
- Kernel mode: là nơi để để monitor chạy
ở chết độ hạt nhân tức là chế độ kernel thì các lệnh đặc quyền được thực thi tại đây (privileged instructions), procted area có thể được truy cập
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