9-13. What method is used to change the operation of a general-purpose digital computer? 1. The input frequency is changed 2. The construction of the machine is altered 3. The instruction Input is changed 4. The primary RTMS is changed 9-14. In a digital computer, what are a series of electronic devices for the temporary storage of a binary word? 1. Registers 2. Counters 3. Gates 4. Compilers 9-15. In a digital computer, what series of electronic devices progress through a specific binary sequence? 1. Registers 2. Counters 3. Gates 4. Compilers 9-16. In a digital computer, what series of electronic devices are used to set a flip-flop or generate a times condition signal? 1. Registers 2. Counters 3. Gates 4. Compilers 9-17. In a digital computer, what devices are used to control the transfer of data words from one register to another? 1. Registers 2. Compilers 3. Counters 4. Gates IN ANSWERING QUESTION 9-18. REFER TO FIGURE 8-1 IN THE TEXTBOOK. 9-18. The digital data processor contains what total number of basic units? 1. Five 2. Two 3. Three 4. Four IN ANSWERING QUESTIONS 9-19 THROUGH 9-21, PERTAINING TO A DIGITAL  COMPUTER CP, SELECT THE UNIT FROM COLUMN B THAT PERFORMS THE FUNCTION LISTED IN COLUMN A. NOT ALL RESPONSES IN COLUMN B ARE USED. A. FUNCTIONS B. UNITS 9-19. Performs the 1. Control actual processing unit 9-20. Stores the data 2. ALU to be processed 3. I/O unit 9-21. Directs the overall computer 4. Internal operation data storage unit IN ANSWERING QUESTIONS 9-22 THROUGH 9-25, PERTAINING TO A DIGITAL COMPUTER CONTROL SECTION, SELECT THE REGISTER FROM COLUMN B THAT IS DESCRIBED   IN COLUMN A. 9-22. 9-23. 9-24. 9-25. A. DESCRIPTIONS B. REGISTERS Holds the 1. P instruction code during execution 2. SC Contains the 3. General address of the next sequential 4. Instruction instruction to be executed Stores the quantity used for address modification Consists of one or two registers to accomplish the holding of a shift count 60