Digital Concepts Questions

• The LSB is always to the right of the MSB.
• Binary means having two states or values.
• Digital circuits cannot perform logic comparisons since the circuit can have only one of two values at any instant.
• In a serial data system, the data is transmitted along a group of conductors simultaneously.
• A microcomputer is the smallest type of computer.
• A device to convert a binary number to a 7-segment display format is a decoder.
• X-ray, MRI, and ultrasound systems in hospitals are examples of analog systems.
• A logic analyzer is used to display a timing diagram.
• Greater accuracy and precision are possible with digital techniques.
• Circuits that exhibit the property of memory normally revert to their original state when the input is removed.
• An ADC is an analog-to-digital converter.
• Digital systems require that voltage levels change between high and low.
• In a negative logic system, a high is represented by 0.
• Parallel transmission is faster than serial.
• Temperature variation is normally an analog quantity.
• PALs are relatively simple integrated circuit devices.
• The arithmetic/logic unit will send the results of its decisions to memory.
• An inverter performs a NOT operation.
• Four bits equal one byte.
• An invalid digital signal is used as a zero.