Computer Microprocessor and Assembly Language

211. The CPU completes yields control of the bus to the DMA controller via:

1. DMA acknowledge signal
2. DMA integrated signal
3. DMA implicitly signal
4. None of these

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212. The CPU removes the ____________ signal to complete the memory write operation:

1. Read
2. Write
3. Both A and B
4. None of these

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213. The CPU sends out a ____________ signal to indicate that valid data is available on the data bus:

1. Read
2. Write
3. Both A and B
4. None of these

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214. The CU is designed by using which techniques:

1. HARDWIRED CONTROLS
2. MICROPROGRAMING
3. NANOPROGRAMING
4. ALL OF THESE

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215. The data in the stack is called:

1. Pushing data
2. Pushed
3. Pulling
4. None of these

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216. The DMA controllers are special hardware embedded into the chip in modern integrate processor that ____________ and ____________ to the system;

1. Data transfer
2. arbitrate access
3. Both A and B
4. None of these

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217. The evolution of the 4 bit microprocessor ended when Intel released in:

1. 4004
2. 8008
3. 40964
4. 4040

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218. The external device is connected to a pin called the ____________ pin on the processor chip.

1. Interrupt
2. Transfer
3. Both
4. None of these

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219. The external system bus architecture is created using from ____________ architecture:

1. Pascal
2. Dennis Ritchie
3. Charles Babbage
4. Von Neumann

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220. The fetch-execute cycle is to use a system know as:

1. Assembly line
2. Pipelining
3. Cache
4. None of these

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