figure 12–1 basic computer block diagram. thomas l. floyd digital fundamentals, 9e copyright...
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Figure 12–1 Basic computer block diagram.
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Figure 12–2 Basic block diagram of a typical computer system including common peripherals. The computer itself is shown within the gray block.
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Figure 12–3
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Figure 12–4 The 8086/8088 has two separate internal units, the EU and the BIU.
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Figure 12–5 The internal organization of the 8088 microprocessor.
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Figure 12–6 Nonoverlapping and overlapping segments in the first 1 MB of memory. Each segment represents 64 kB.
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Figure 12–7 Formation of the 20-bit physical address from the segment base address and the offset address.
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Figure 12–8 Illustration of the segmented addressing method.
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Figure 12–9
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Figure 12–10
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Figure 12–11 The general register set.
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Figure 12–12 The status and control flags.
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Figure 12–13 Registers for the Intel processors from 8086/8088 through Pentium.
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Figure 12–14 Hierarchy of programming languages relative to computer hardware.
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Figure 12–15 Assembly to machine conversion using an assembler.
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Figure 12–16 High-level to machine conversion with a compiler.
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Figure 12–17 Machine independence of a program written in a high-level language.
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Figure 12–18 Flowchart for adding a list of numbers.
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Figure 12–19 Steps in beginning to execute the addition program with Debug.
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Figure 12–20 Last portion of tracing the addition program. The sum 00F1 is shown in blue with the low part (F1) given first.
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Figure 12–21 Flowchart. The variable BIG represents the largest value.
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Figure 12–22 Listing of Debug portion of program.
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Figure 12–23 Data before and after a run.
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Figure 12–24 The basic polled I/O configuration.
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Figure 12–25 A basic interrupt-driven I/O configuration.
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Figure 12–26 A memory I/O transfer handled by the CPU.
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Figure 12–27 A DMA transfer.
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Figure 12–28 The interconnection of microprocessor-based system components by a bidirectional, multiplexed bus.
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Figure 12–29 An example of a handshaking sequence.
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Figure 12–30 Tristate buffer interface to a bus.
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Figure 12–31 Method of indicating tristate outputs on an IC device.
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Figure 12–32 Tristate buffer symbols.
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Figure 12–33 Tristate buffer operation.
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Figure 12–34 Multiplexed I/O operation.
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Figure 12–35 Simplified illustration of the basic bus system in a typical personal computer.
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Figure 12–36 The RS-232C 25-pin connector plug.
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Figure 12–37 The RS-232C pin assignments and signals for both connector versions.
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Figure 12–38 Example of a computer system with USB interfacing.
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Figure 12–39 A typical IEEE 488 (GPIB) connection.
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Figure 12–40 Timing diagram for the GPIB handshaking sequence.
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Figure 12–41 A bus extender and modem can be used for interfacing remote GPIB systems.
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Figure 12–42 SCSI 25-pin connector.
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Figure 12–43
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Figure 12–44
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Figure 12–45
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Figure 12–46
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Figure 12–47
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Figure 12–48
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