Computer System Architecture

541. Parameters can be stacked by ____________ just as with procedures:

1. Asterisk(*)
2. Arrow
3. Line
4. Pipeline

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542. The subroutines are determined by functioning of ____________ instructions:

1. SCAL and SXIT
2. only SCAL
3. only SXIT
4. none of these

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543. Call is ____________ subroutine call:

1. Conditional
2. Unconditional
3. Both a & b
4. None of these

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544. A flag is ____________ a that keep track of a changing condition during computer run:

1. Memory
2. Register
3. Controller
4. None of these

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545. When a subroutine is ____________ the parameters are loaded onto the stack and SCAL is executed:

1. Executed
2. Invoked
3. Ended
4. Started

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546. Subroutine is called ____________:

1. In Same program
2. In external program
3. Both a & b
4. None of these

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547. If internal subroutine is called global data is used to pass values defining parameters between ____________ program and defined____________:

1. Main and subroutine
2. Local and subroutine
3. Global and subroutine
4. Global and main

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548. In what type of subroutine actual parameters are passed through the main program to formal parameters in the related subroutine:

1. Internal
2. External
3. Both a & b
4. None of these

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549. By defining the ____________ register as last in first out stack the sequence can handle nested subroutines:

1. S
2. J
3. R
4. T

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550. The ____________ stack can be 4-word memory addressed by 2 bits from an up/down counter known as the stack pointer:

1. FIFO
2. PIPO
3. SISO
4. LIFO

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