А) I chose this laptop because it is more convenient and comfortable for the programmer. It is more workable and easy to move around. b) I think that the Macbook has already proven its strength in terms of performance, including compactness, speed and endurance in terms of charge. This laptop is suitable for business people who are always on the road, it works very quickly in communication programs and documentation. Question 2 • Mouse, keyboard, scanner, touch, graphic tablet, webcam, microphone, sensors is a computer device . • Input and output devices are needed for the transmission and processing of information, as well as for its storage, at the moment we can do this through social networks and this is possible. • mouse, keyboard, scanner, touchpad, • the mouse is needed to control the cursor on the computer display, as well as manage it, a flash card is needed to transfer and store information to and from the computer, a microphone is needed to enter a person’s voice recordings into the computer for conversation or recording, a webcam is needed for input of video information to a computer, also for recording or for transmitting a graphic image to another person in real time. Question 3 a) Relatively fast volatile computer memory with public access, which includes most of the data exchange operations between data. b) RAM speed is measured in megahertz (MHz), millions of cycles per second, so it can be compared to the clock speed of your processor. С) volatility is the workload of RAM. Question 4 a) an exact measure or precise measuring device used to measure, store and transmit units of measurement of any quantity b) When used correctly, tests can reduce system design time, reduce risk, and facilitate important decision making. The article provides an overview of various types of tests, their advantages and disadvantages, as well as recommendations for their use. С) Thanks to these tests they will be able to determine what kind of computer they need for their needs, they will see how this or that system works. d) They show the maximum and minimum of computer components, and show where the computer is weak and where it is good. Basically, the computer is set to the maximum to see its shortcomings. Question 5 А) You can insert a keyboard and mouse into this port. i)port ps2 ii)serial port b) flash card, printer i)usb-port ii)paralel port c) We can connect a monitor or TV. I) Video ports (VGA AND DVI) ii)This is serial port d) Printer i) lpt-port ii)serial port e)headphones , microphone f)monitor g) mouse, keyboard, h)internet