Question 41 : Which of the following do not belong to queues for processes ?
1. Job Queue
2. PCB queue
3. Device Queue
4. Ready Queue
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Question 42 : A single thread of control allows the process to perform:
1. only one task at a time
2. multiple tasks at a time
3. only two tasks at a time
4. All of the mentioned
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Question 43 : The degree of multiprogramming is:
1. the number of processes executed per unit time
2. the number of processes in the ready queue
3. the number of processes in the I/O queue
4. the number of processes in memory
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Question 44 : The entry of all the PCBs of the current processes is in:
1. Process Register
2. Program Counter
3. Process Table
4. Process Unit
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Question 45 : The Process Control Block is:
1. Process type variable
2. Data Structure
3. A secondary storage section
4. A Block in memory
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Question 46 : Which of the following is not the state of a process?
1. New
2. Old
3. Waiting
4. Running
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Question 47 : The state of a process is defined by:
1. the final activity of the process
2. the activity just executed by the process
3. the activity to next be executed by the process
4. the current activity of the process
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Question 48 : The number of processes completed per unit time is known as __________
1. Output
2. Throughput
3. Efficiency
4. Capacity
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Question 49 : A Process Control Block(PCB) does not contain which of the following :
1. Code
2. Stack
3. Bootstrap program
4. Data
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Question 50 : The address of the next instruction to be executed by the current process is provided by the
1. CPU registers
2. Program counter
3. Process stack
4. Pipe
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