CSI104 Exam Questions and Answers All Correct

The _______ is a computer subsystem that performs operations on data. a. CPU b. memory c. I/O hardware d. bus subsystem - Answer-a. CPU is a stand-alone storage location that holds data temporarily. a. An ALU b. A register c. A control unit d. A tape drive - Answer-b. A register _______ is a unit that can add two inputs. a. An ALU b. A register c. A control unit d. A tape drive - Answer-a. An ALU A register in a CPU can hold _______. a. only data b. only instructions c. only program counter values d. data, instruction, or program counter values - Answer-d. data, instruction, or program counter values A control unit with five wires can define up to _______ operations. 5 10 16 32 - Answer-32 A word can be _______ bits. a. only 8 b. only 16 c. only 32 d. 8, or 16, or 32 - Answer-d. 8, or 16, or 32