created: 05/15/2015, revised 02/20/25

Fill in the Blanks

Instructions:   This is a fill-in-the-blank exercise. Each question consists of a sentence with one or two words left out. For each question, think of the word or phrase that should fill each blank, then click on the blanks to see if you are correct.

1. "Binary" means having .

A is a single "on" "off" value.

2. A device is called if it has definite states but not necessarily only two.

3. Reasons for using binary:

1. Binary devices are and easy to build.
2. Binary signals are and easy to copy.
3. copies can be made of binary data.
4. Any data that can be represented in symbols can be represented with of bits.

4. Because binary signals are they are immune to .

5. The computer revolution is sometimes compared to the revolution in printing. Both are partly due to fundamental operations replacing older complex operations.

6. An signal can variously continuously in value and must be copied exactly or else information is lost.

7. With a binary signal, any value above a value counts as a 1-bit and any value below that counts as a 0-bit.

8. For a computer system to work, the values of its binary signals can be measured only at certain times. The electronic component that determines these times is the

9. Computer memory allows the system to save and retrieve How those are used by the rest of the system is irrelevant to the operation of memory.

10. is an agreement about how to represent most of the world's characters with 16-bit patterns.

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