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Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Test  >  Embedded Systems (Web)  >  Test: Commercial Operating Systems - Computer Science Engineering (CSE) MCQ

Commercial Operating Systems - Free MCQ Practice Test with solutions, GATE


MCQ Practice Test & Solutions: Test: Commercial Operating Systems (15 Questions)

You can prepare effectively for Computer Science Engineering (CSE) Embedded Systems (Web) with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Commercial Operating Systems". These 15 questions have been designed by the experts with the latest curriculum of Computer Science Engineering (CSE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 15

Sign up on EduRev for free to attempt this test and track your preparation progress.

Test: Commercial Operating Systems - Question 1
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 Which of the following kernel supports the MC68000 family?

Detailed Solution: Question 1

Explanation: The pSOS+ kernel supports many processor families like Intel 80×86, M88000, MC68000 and i960 processors. The kernel is small in size and has a 15-20 Kbytes RAM.

Test: Commercial Operating Systems - Question 2
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 What is the worst case figure for interrupt latency for an MC68020 running at 25MHz?

Detailed Solution: Question 2

Explanation:The worst case figure for the interrupt latency for an MC68020 which runs at 25MHz is 6 microseconds and the context switch for the same is 19 microseconds.

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Test: Commercial Operating Systems - Question 3
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 Which of the following is the multiprocessing version of the kernel?

Detailed Solution: Question 3

Explanation: The pSOS+ is a multitasking real-time kernel of the operating system and pSOS+m or the pSOS+ multiprocessor kernel is the multiprocessing version of the kernel. It is virtually same as the single processor version except the ability to send and receiving system objects from the processors within the system.

Test: Commercial Operating Systems - Question 4
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Which of the following is a compiler independent run-time environment for C applications?

Detailed Solution: Question 4

Explanation: The pREC+ is a compiler independent runtime environment for the C program applications.

Test: Commercial Operating Systems - Question 5
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Which kernel provides 88 functions that can be called from the C programs?

Detailed Solution: Question 5

Explanation: The pREC+ is compatible with the ANSI X3J11 and can provide the 88 functions that can be called from the C programs.

Test: Commercial Operating Systems - Question 6
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Which of the following is not a standalone product?

Detailed Solution: Question 6

Explanation: The pREC+ is not a standalone product it uses pSOS+m or pSOS+ for the input/output devices and task functions and calls the PHILE+ for the file and disk I/O.

Test: Commercial Operating Systems - Question 7
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Which kernel allows the multiple tasks which use the same routine?

Detailed Solution: Question 7

Explanation: The pREC+ runtime support kernel’s routines are reentrant that allows the multiple tasks to use the same routine simultaneously.

Test: Commercial Operating Systems - Question 8
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 Which provides the TCP/IP communication over the ethernet and FDDI?

Detailed Solution: Question 8

Explanation: The pNA+ network manager is a networking option which can provide the TCP/IP communication over a large variety of media such as the FDDI and the ethernet.

Test: Commercial Operating Systems - Question 9
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 Which can provide efficient downloading and debugging communication between the host and target system?

Detailed Solution: Question 9

Explanation: The pNA+ network manager can provide efficient downloading and debugging communication between the host and target system.

Test: Commercial Operating Systems - Question 10
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 Which of the following is a system level debugger which provides the low-level debugging facilities and the system debugging?

Detailed Solution: Question 10

Explanation: The pROBE+ system level debugger which can provide the system debugging and the low level debugging.

Test: Commercial Operating Systems - Question 11
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 How is the pROBE+ system level debugger communicate with the outside world?

Detailed Solution: Question 11

Explanation: The pROBE+ system level debugger can communicate with the outside world through the serial port or by installing pNA+, a TCP/IP link can be used instead.

Test: Commercial Operating Systems - Question 12
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Which of the following is a complementary product to pROBE+ system level debugger?

Detailed Solution: Question 12

Explanation: The XRAY+ source level debugger is a complementary product to pROBE+ system level debugger as it can use the debugger information and combine with the C source and other functions on the host that can provide an integrated debugging.

Test: Commercial Operating Systems - Question 13
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Which of the following supports the MS-DOS file?

Detailed Solution: Question 13

Explanation: The pHILE+ file system supports the MS-DOS file structure and the product can provide input and output file.

Test: Commercial Operating Systems - Question 14
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Who developed the OS-9?

Detailed Solution: Question 14

Explanation: The OS-9 is developed by Motorola and Microwave as a real-time operating system. The operating system is developed for MC6809 which is an 8-bit processor.

Test: Commercial Operating Systems - Question 15
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Who had developed VRTX-32?

Detailed Solution: Question 15

Explanation: The VRTX-32 is developed by Microtec Research which is a high-performance real-time kernel.

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About this Computer Science Engineering (CSE) Practice Test

This test contains 15 MCQs on Commercial Operating Systems with detailed solutions for each question. It is part of the Embedded Systems (Web) course on EduRev, designed to align with the current Computer Science Engineering (CSE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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If you found this Commercial Operating Systems MCQ Test helpful, you can further enhance your Computer Science Engineering (CSE) preparation with in-depth courses on EduRev, for all the subjects and topics available in Embedded Systems (Web) course. The course offers:
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