【正文】 gister 問題 9 The operand is in a register, this addressing mode is called （ ） . A. register direct addressing mode B. direct addressing mode C. indirect addressing mode D. register indirect addressing mode 問題 10 The address part in a program control instruction represents the address of next instruction that needs transfer. 問題 11 In the instruction addressing modes the fastest way to get the operand is ( ). A. register addressing mode B. direct addressing mode C. indirect addressing mode D. immediate addressing mode 問題 12 In order to implement arithmetic operation between two operands for oneaddress instruction, one operand is indicated by addresses part of instruction, another operand is specified by ( ). A. immediate addressing mode B. implied addressing mode C. stack addressing mode D. indirect addressing mode 問題 13 By using different addressing mode, the instruction set can ( ). A. reduce the instruction length, expand addressing space, improve programming flexibility B. realize program store and program control C. access external storage directly D. extend OPcode and decrease the trouble of instruction decoding. 問題 14 For the number of instructions, addressing mode and instruction kinds, RISC is less than CISC. 問題 15 There are two instruction addressing modes, one is sequential, and the other is jump. Jump addressing mode can perform ( ). A. conditional branch of program B. conditional or unconditional branch of program C. unconditional branch of program D. stack addressing 問題 16 The purpose of using extending Opcode in instruction format is （ ） . A. to keep the length of instructions, while increase the addressing space B. to increase the length of instructions C. to keep the length of instructions, while increase the kinds of instruction operate D. to reduce the length of instructions 問題 17 Which instruction has the maximal execution time（ ） ? A. Program control instructions B. RS instructions C. SS instructions D. RR instructions 問題 18 Let the valid address of operand is given in the address part of instruction, then the instruction adopts ( ). A. immediate addressing mode B. indirect addressing C. register direct addressing mode D. direct addressing mode 問題 19 OPcode in an instruction gives the character and function of the instruction. 問題 20 Instruction addressing mode is the way that form the address of instruction. 第八章 問題 1 According to the generation mode of control signal, controller can be divided into_硬布線控制器____and__微程序控 制器 __. 問題 2 Counter can be used not only for counting pulse, but also used for frequency divider(分頻 ) and timer(定時器 ). 問題 3 The function of direct branch instruction is to transfer the address code of instruction into ( ). A. accumulator B. PC C. address register D. memory 問題 4 Status register store the result of arithmetic operation. 問題 5 In CPU, decoder is used for decode of instruction, addressing mode and address of operand. 問題 6 The speed of a puter is related to frequency, and is also related to word length, puter architecture, etc. 問題 7 Which of the following statements for RISC is correct: ( ). A. RISC must be pipeline CPU B. RISC is not necessary pipeline CPU C. RISC has plex instruction system D. CPU uses fewer general registers 問題 8 In a puter, memory and registers can all store data 問題 9 The cycle of CPU frequency is（ ） . A. machine Cycle B. read/write cycle C. clock cycle D. instruction cycle 問題 10 A CPU consists of （ ） . A. controller, ALU and memory B. controller C. calculator and memory D. controller, ALU, registers and cache 問題 11 In CPU the register pointing to the next instruction to be fetched is ( ). 問題 12 In CPU, the register for pointing the next instruction is MAR. 問題 13 The bits length of registers in CPU is decided by（ ） . A. instruction length B. machine word length C. memory size D. pins of CPU 問題 14 An instruction cycle is posed of some T cycles. 問題 15 Controller implementation by hardwire is also called（ ） . A. store logic controller B. calculator C. binational logic controller D. micro programmed controller 問題 16 Intel 80486 is a 32 bits processor, while Pentium is（ ） bits processor. 問題 17 A CPU at least has 6 kinds of register, which are ___IR__,__PC___,___MAR__,_MBR____ general register and status register. 問題 18 PC (program counter) belongs to ( ). A. memory B. ALU C. I/O D. controller 問題 19 In CPU, the register storing the current instruction being executed is___IR____， pointing to the next instruction to be fetched is__PC____. 問題 20 Generally, serial register has the function of shift operation. 問題 21 The register used to store the current instruction being executed is IR. 問題 22 In CP