Q. What is a Hayes compatible modem?
A Hayes-compatible modem is a modem that recognizes and adheres to the Hayes AT command set, a command language with strings that combine together to output complete commands for different operations.
Q. What does Dennis C Hayes invention do?
Computer-related contributions Invented the PC modem. Founder of Hayes Microcomputer Products, a company that makes modems. Known for creating the Hayes AT command set, used in most modems produced to this day.
Q. Who was the creator of basic Hayes at?
The Hayes command set (also known as the AT command set) is a specific command language originally developed by Dennis Hayes for the Hayes Smartmodem 300 baud modem in 1981.
Q. How do I know if my modem needs replacing?
Signs that You Need to Replace Your Modem
- The modem won’t turn on.
- You can’t connect to the internet at all.
- Internet connection drops in and out randomly.
- Internet speed is inconsistent or is consistently slower than it used to be.
- You frequently need to reset the modem to get it functioning properly.
Q. What does Dennis Hayes modem do?
His company, Hayes Microcomputer Products Inc., dominated the market for PC modems in the 1980s and early 1990’s when he introduced the Hayes command set. A modem, short for modulator-demodulator, would turn data into tones, then send those tones along the telephone line, so an analog system could mimic a digital one.
Q. What is the purpose of the AT command ATM0?
| Command | Syntax | Function |
|---|---|---|
| M0 | ATM0 | The modem’s speaker is always off |
| M1 | ATM1 | The modem’s speaker is on until a connection is made |
| M2 | ATM2 | The modem’s speaker is always on |
| M3 | ATM3 | The modem’s speaker is off during dialing, and on after dialing until the connection is made |
Q. How do you check whether a GSM kit is in working condition or not?
Power it up and check the ‘status’ light. If it blinks with a 1 blink per second cycle, it is attempting to connect to the network. If it connects, it does a slow blink at 1 blink/3s, it made the network connection.
Q. What was the requirement of the Hayes modem?
Hayes added a requirement of his own, that the modem be able to automatically detect what speed the computer’s serial port was set to when first powered on. This was not simple unless the modem “knew” what data were initially being sent, allowing it to time the bits and thereby guess the speed.
Q. When did Hayes come out with the Smartmodem 1200?
In 1982, at the Spring Comdex in Atlantic City, Hayes introduced the Bell 212-compatible Smartmodem 1200 for $699, the first practical all-in-one 1200 bit/s Bell 212-compatible modem. The earlier design was redesignated the Smartmodem 300.
Q. Who is the marketing manager for Hayes Microcomputer?
Hayes and the company’s marketing manager Glenn Sirkis approached Heatherington with an outline for a new command-driven external modem. Several solutions to the command problem were studied, and in the end, Heatherington decided the only practical one was to have the modem operate in two modes.
