1.What technique allows multiple signals to use a single communication channel simultaneously?
2.Which technique allows bits to be transmitted as analog signals over both guided and wireless media?
3.Which of the following protocols operates at the transport layer in the Internet protocol suite?
4.What is the name of codes made up of lines or bars of different widths or lengths that can be read by computers?
5.Which key is used to input data into the computer by pressing it?
6.Which key allows you to close or exit a program when pressed?
7.Identify the protocol that does not belong to the application layer from the following options.
8.Which type of devices enable a computer to receive information from a user?
9.Which type of camera is an external device designed to capture still photos in a digital format that can be easily uploaded to a computer and edited with graphic software?
10.Who is credited with inventing the very first mechanical calculator?
11.Which of the following computers was the earliest example of a second-generation computer?
12.What do you call a software package designed to address the needs of diverse data processing users?
13.What is the name given to the point where a row and a column meet in a spreadsheet?
14.Which of the following is classified as a Common Business-Oriented Language?
15.What term describes the process of saving data onto a magnetic disk or in a computer's memory for future use?
16.Which storage medium supports only sequential data access?
17.What components make up the main memory in a personal computer?
18.Who is credited with inventing the microprocessor?
19.What defines a dynamic web page?
20.Which feature of read-only memory (ROM) makes it particularly useful?