Intro to Computer
Science-Midterm Exam
Questions and Complete
Solutions Graded A+
Denning [Date] [Course title]
, C1: The course text describes computing systems in 6 layers. What is the correct ordering of these layers
(from innermost to outermost)? - Answer: Information
Hardware
Programming
Operating Systems
Applications
Communications
C1: The course text describes computing systems in 6 layers. What is a good definition of the
Information layer? - Answer: the way we represent information in a computer
C1: Which of the following terms best describes the concept of abstraction? - Answer: hiding details
C1: In which decade was the first generation of computer hardware developed? - Answer: 1950s
C1: Charles Babbage invented which one of the following early computing devices? - Answer: analytical
engine
C1: Who is credited with being the first programmer? - Answer: Ada Lovelace
C1: Who proposed that punched cards be used for counting the United States census in 1890? - Answer:
Herman Hollerith
C1: What device replaced the vacuum tube? - Answer: transistor
C1: To which hardware generation does core memory belong? - Answer: second
C1: In which hardware generation were integrated circuits first used? - Answer: third
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