Computer Science Exam 1-Questions and Answers Graded A+

Computer Science Exam 1-Questions and Answers Graded A+ What is a program? - ANSWER-A program is a set of instructions that a computer follows to perform a task. What is hardware? - ANSWER-Hardware is all the physical devices, or components, that a computer is made of. List the five major components of a computer system. - ANSWER-The central processing unit (CPU), main memory, secondary storage devices, input devices, and output devices. What part of the computer actually runs programs? - ANSWER-The CPU. What part of the computer serves as a work area to store a program and its data while the program is running? - ANSWER-Main memory. What part of the computer holds data for long periods of time, even when there is no power to the computer? - ANSWER-Secondary storage. What part of the computer collects data from people and from other devices? - ANSWER-Input device. What part of the computer formats and presents data for people or other devices? - ANSWER-Output device. What fundamental set of programs control the internal operations of the computer's hardware? - ANSWER-Operating system. What do you call a program that performs a specialized task, such as a virus scanner, a file-compression program, or a data-backup program? - ANSWER-Utility program. Word processing programs, spreadsheet programs, e-mail programs, Web browsers, and game programs belong to what category of software? - ANSWER-Application software. What amount of memory is enough to store a letter of the alphabet or a small number? - ANSWER-1 byte. What do you call a tiny "switch" that can be set to either on or off? - ANSWER-A bit. In what numbering system are all numeric values written as sequences of 0s and 1s? - ANSWER-Binary.