Q.1.

How many inputs are required for a 1-of-10 BCD decoder?

Q.2.

From the following list of input conditions, determine the state of the five output leads on a 74148 octal-to-binary encoder.

I0 = 1 I3 = 1 I6 = 1
I1 = 1 I4 = 0 I7 = 1
I2 = 1 I5 = 1 EI = 0
Q.3.

The basic comparator evaluates two binary strings bit by bit and always outputs a 1.

Q.4.

Before you can make a design you must decide if you want an active-HIGH output.

Q.5.

In a priority encoder, the input with the highest priority is represented on the output.

Q.6.

Exclusive-AND gates are needed for conversions between Gray code and binary code.

Q.7.

The microcontroller needs to use only three input lines to monitor eight separate points.

Q.8.

A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.

Q.9.

The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.

Q.10.

A demultiplexer takes a dual input data value and routes it to one of several outputs.