Computers and Technology, 02.08.2021 21:50 nev322
Instructions: Attempt any five (5) questions
a). Explain what cardinality ratio specify (8 marks)
Q1
b). Discuss what data model means and list the types of data model used in database. (12 marks)
20
Mark
Answers: 3
Computers and Technology, 22.06.2019 08:10
Technician a says that if a valve is open when a piston rises to the very top of a cylinder, the piston may actually strike the valve head and cause serious engine damage. technician b says if the camshaft is located in the engine block, then the engine is called an overhead valve engine, ohv engine, or an in-block camshaft. who is right? a. b only b. both a and b c. a only d. neither a nor b
Answers: 3
Computers and Technology, 23.06.2019 01:00
Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?
Answers: 3
Computers and Technology, 23.06.2019 01:00
Write the command that can be used to answer the following questions. (hint: try each out on the system to check your results.) a. find all files on the system that have the word test" as part of their filename. b. search the path variable for the pathname to the awk command. c. find all files in the /usr directory and subdirectories that are larger than 50 kilobytes in size. d. find all files in the /usr directory and subdirectories that are less than 70 kilobytes in size. e. find all files in the / directory and subdirectories that are symbolic links. f. find all files in the /var directory and subdirectories that were accessed less than 60 minutes ago. g. find all files in the /var directory and subdirectories that were accessed less than six days ago. h. find all files in the /home directory and subdirectories that are empty. i. find all files in the /etc directory and subdirectories that are owned by the group bin."
Answers: 1
Computers and Technology, 23.06.2019 18:00
Which is a possible benefit of having a good credit history? having a checking account low interest rate on a car loan high interest rate on a credit card offer bankruptcy
Answers: 1
Instructions: Attempt any five (5) questions
a). Explain what cardinality ratio specify (8 marks)
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