CPT 101 Concepts Exam 1 Graded A

CPT 101 Concepts Exam 1 Graded A 1. Early Personal Computers What was the first personal computer? A. Altair 8800 B. Apple I C. IBM PC D. Microsoft Answer: A. Altair 8800 2. Altair 8800 How much did the Altair 8800 cost? A. $100 B. $395 C. $1,000 D. $5,000 Answer: B. $395 3. Early Software What was the first electronic spreadsheet application? A. VisiCalc B. WordStar C. Lotus 1-2-3 D. Excel Answer: A. VisiCalc 4. Microsoft Who founded Microsoft? A. Bill Gates and Paul Allen B. Steve Jobs and Steve Wozniak C. Charles Babbage D. IBM Answer: A. Bill Gates and Paul Allen 5. GUI What was introduced in 1993 that allowed easier interaction with computers? A. Internet Explorer B. Netscape Navigator C. GUI D. Mosaic Answer: C. GUI The Z1, the Atanasoff-Berry Computer, and the Harvard Mark I were created by... ️Howard Aiken and Grace Hopper. These computers were used by the... ️US Navy for ballistic and gunnery calculations Hopper's greatest contributions include... ️inventing compiler (a program that translates English language instructions into computer language), coining term- computer bug Hopper first "debugged" a computer when she removed... ️a moth from the Harvard Mark I that had caused the computer to break down. After that, problems that caused a computer not to run were called bugs Transistors ️1945. invented at Bell Telephone Labratories Transistors replaced... ️vacuum tubes. smaller and more powerful than tubes transistors were considered... ️second-generation computers transistors were limited to how... ️small they could be made Only a year after the ENIAC was completed, scientists at the Bell Telephone Laboratories in NJ invented the transistor... ️another means to store data The transistor was used in almost everything, from... ️radios to phones A few years later in 1958, Jack Kilby, while working at Texas Instruments, invented the world's first integrated circuit... ️a small chip capable of containing thousands of transistors This consolidation in design enabled computers to become... ️smaller and lighter The computers in this early integrated-circuit generation were considered... ️third