1. The ___________ of a machine specifies the instructions that the computer can perform and the format for each instruction. a. control unit b. CPU c. instruction set architecture d. fetch-decode-execute cycle 2. Assembly language: a. is not translated into machine memory b. uses alphabetic (mnemonic) codes in place of binary strings c. is easier to program in than high-level languages d. all of the above 3. The instruction B[12] = 98 is __________ a. a load word instruction b. a store word instruction c. an arithmetic instruction d. none of the above 4. A computer bus consists of data lines, __________, control lines, and power lines. a. address lines b. protocol lines c. cycle lines d. master/slave lines 5. The _______ is a digital logic component that is often used in computer registers. a. control unit b. D flip-flop c. multiplexer d. inverter