Assignment Questions

Electronics Technician Volume 06-Digital Data Systems
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4-59. To channel data inside the computer, what type of circuits are primarily used with registers for instruction and control operations? 1. Analog conversion 2. Data routing circuits 3. Code converter circuits 4. Interface circuits 4-60. A general-purpose register is also known by what name? 1. Instruction 2. Accumulator 3. Program counter 4. Status indicating 4-61. General-purpose registers are generally the same size as the computer’s memory word. 1 . T r ue 2. False A. Accumulator B. Index register C. Instruction register D. Program counter E. Status indicating register Figure 4A.—Memory type circuits, IN ANSWERING QUESTIONS 4-62 THROUGH 4-68, SELECT FROM FIGURE 4A THE MEMORY TYPE CIRCUIT THAT APPLIES TO THE FUNCTION DESCRIBED IN EACH QUESTION. 4-62. Used for address modification and counting. 4-63. Holds the address of the next instruction to be executed. 1. B 2. C 3. D 4. E 4-64. Can be used to indicate the status of operations in the computer. 1. B C 2. 3. D E 4. 4-65. Outputs of this register are translated into commands for CPU execution. 1. B 2. C 3. D 4. E 4-66. Used for temporary storage of data or memory addresses. 1. A 2. B 3. C 4. D 4-67. These registers are used with branching condition instructions to change the sequence of instruction execution. 1. A B 2. 3. D E 4. 1. A 2. B 3. C 4. D 32

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