A typewriter is faster, but you have to use correction fluid every time you make a mistake. Electronic Word Processors are very convenient for writing. You can correct mistakes, check your spelling, format your paper, and often do other fancy things quite easily. However, you are tied to a power supply, and you will usually need some unusual sort of adapter in another country. Ribbons for many word processor machines are unique to the company that makes them, and are often hard to find outside of large cities in post-industrial countries.
Laptop computers are the ultimate in convenience.
Be aware of typing and writing health. Use posture that won't break your back in ten years. Remember to rest your eyes regularly if your have to stare at a computer screen for long periods of time. Rigorous Training Learn to type. If you can type, learn to type faster, and with fewer mistakes.