COS 1521 Exam (2023)- Questions & Answers (100% Correct)

COS 1521 Exam (2023)- Questions & Answers (100% Correct) COS 1521 Exam (2023)- Questions & Answers (100% Correct) Which subsystem of a computer is responsible for the sending of signals to other subsystems - ANSWER - input/output Privacy, copy-write and computer crime are categorized as _______ issues - ANSWER - social Which one of the following is a social issues that covers both dependency and social injustice - ANSWER - The digital divide Which scientist was not involved in the development of electronic computers in - ANSWER - Blaise Pascal During which computer generation were the higher level languages COBOL and FORTRAN invented - ANSWER - Second generation Von neumann model: 4 subsystems - ANSWER - Memory: Where programs and data are stored during procssing Arithmetic Logic Unit (ALU): Where calculation and logical operations take place Control Unit : Controls operations of memory, ALI and I/O subsystem Input/Output: Accepts input data and program from outside computer, while output subsystem sends results of processing to outside world. Computer componenets - ANSWER - Computer hardware Data Computer software Social and Ethnical Issues - ANSWER - Social issues: Dependency: Generally people consider society has become too dependent on the computer and that they have difficulty functioning without them Social justice: Arguments about the affordability and availability of the computer to modern households depending on social and economic status Digital Divide: Divides society into 2 groups. Those who are connected to the rest of society using computers and those who are not Ethical issues: Privacy - privacy is little on the electronic communication system and costs a lot to aplpy Copyright: Electronic copyright has become a failed system computer crime: New types of crimes created thanks to the intricate computer/internet system The ALU performs 3 types of operation on data. Under which type of operation do the do not NOT, AND, OR and XOR operations fall - ANSWER - Logic