CIT309 TMA2

1 in both the SMP and uniprocesssor cases, multiple jobs or processes may be active at one time________ responsiblefor the allocation of the resources
*processor
*ALU
*Control bus
*operating system

2 ………………… is midway between software and hardware
*Programming
*Macroprogram
*Program
*Microprogram

3 In what order does the next instruction fetch during the instruction cycle
*random
*glance
*subsequence
*sequence

4 An instance of a progam running on a computer is called ___________
*reaction
*function
*execution
*process

5 …………….. Acknowledges that the CPU has been reset
*Reset Out
*Reset In
*Reset
*Set

6 ……………… causes the contenst of the CPU to be set to zero
*Reset Out
*Reset In
*Reset
*Set

7 Which of the following is not an elements of a machine instruction?
*Results operands reference
*Source operand reference
*Operator
*Next instruction reference

8 the enhancement of a system performance by adding an additional processor by a user can be called__________
*Scaling
*optimisation
*addition
*Incremental growth

9 The conflict avoidance and the assigning of ready processes to available processors is called_________
*Scheduling
*Memory management
*Synchronization
*Simultaneous concurrent processes

10 …………... module handles multiple levels of interrupt signals
*Serial control
*Incremental address latch
*Interrupt control
*decrementer address latch

11 A single machine instruction controls the simultaneous execution of a number of processing elements on a lock step basis is called ________
*Single instruction, multiple data (SIMD) stream
*Multiple instruction, multy-single data (MIMSD) stream
*Multiple instructions, multiple data (MIMD) stream
*Single instruction, single data (SISD) stream

12 The most important measure of performance of a processor is the rate at which it________
*speed
*executes instruction
*move
*save time

13 The provission of graceful degradation influence of processor failure by the operating system is called
*Synchronization
*Reliability and fault tolerance
*Memory management
*Scheduling

14 What will happen for the content of 'Y' not to lost having execute the statement: ADD, R, Y
*The procrssor must have accumulator storing the memory values
*The procrssor must have at least 2 register storing the memory values
*The procrssor must have at least 2 accumulators storing the memory values
*The procrssor must have at least a register storing the memory values

15 The act of switching processor control from one thread to another within the same process can be called ___________
*Thread switch
*Thread change
*Thread busy
*Thread ready

16 ……………… module handles multiple levels of interrupt signals
*Timing control
*Interrupt control
*Signal control
*Serial I/O control

17 …………….... module interfaces with devices that communicate 1 bit at a time
*Timing control
*Interrupt control
*Signal control
*Serial I/O control

18 Instruction fetch is also known as ____________
*Write
*Read
*Print
*Type

19 The interrelation of the computer components can be called ______________
*Arrangement
*Structure
*Interaction
*Unification

20 An overflow flag is set to ______ if the result of a computation exceeds the length of the register into which it is to be stored.
*0
*-1
*1
*2

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