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Amount in 2 years = 4000 amount in 4.5 years = 5500 interest received in 2.5 years= 5500-4000 = 1500 interest received in 1 year = 600 interest received in 2 years = 1200 amount = principal + interest amount received in 2 years = principal + 1200 4000 - 1200 = 2800 principal = 2800 interest = 600 Rate of interest = (600/2800) × 100 = 21(3/7)%
Match the following questions?
Input Devices Operations
Which security measure helps protect against unauthorized access to a computer system by requiring users to log in multiple times?
The output quality of a printer is measured by
A __________ is a professionally designed “empty” document that can be adapted to the user’s needs.
The difference between people with access to computers and the Internet and those without this access is known as the:
What is the term for the process of trading goods over the Internet?
What is the purpose of Error-Correcting Code (ECC) memory in a computer system?
A circuit with about 100 transistors fabricated on a single chip is called _____
The other name of mother board is _____________.
What is the primary purpose of a firewall in computer networks?
