1) A device used to send data into a computer a) output Device b) input device 2) Permanent memory that stores essential instructions, a) ROM b) RAM 3) What type of device is a speaker? a) OUTPUT b) INPUT 4) What reads instructions from memory? a) Control unit b) ALU 5) Small, fast storage locations in the CPU used to store data temporarily. a) registers b) cpu 6) Holds the address in memory where data will be read or written. a) MAR b) ACC c) MDR d) IR 7) The part of the CPU that performs arithmetic and logic operations. a) ALU b) CPU 8) What function in the CPU carries out the decoded instruction. a) fetch b) execute c) decode d) control 9) The number of instructions the CPU can process per second? a) data b) system clock c) registers d) clock speed 10) what is a system of wires that transfers data between parts of the computer called? a) bus b) register c) cache 11) Stores the result of calculations done by the ALU. a) MAR b) IR c) MDR d) ACC 12) Carries actual data between the processor, memory, and other components. a) Control bus b) data bus c) address bus d) school bus

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