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Self-Test 1 Q&A 2-1

Self-Test Questions Volume 1

List four numbering systems you may come in contact with in this career field. Binary, octal, decimal, and hexadecimal
What numbering system is commonly referred to as machine language? Binary
What are some advantages of using the binary system in electronic circuits? The two symbols can write any value, regardless of size. The majority of electronic circuits operate as bistable devices. Binary can be easily adapted for on/off, yes/no, or true/false.
What numbering system can be used to reduce binary numbers by one third? Octal
Why is octal used over decimal in representing digital computer inputs and outputs units? To reduce human errors, the octal numbering system is often used in referring to digital computer input and output units
What numbering is used on a daily basis by the average person? Decimal
What numbering reduces binary numbers by 75 percent? Hexadecimal
What numbering system uses both numbers and letters? Hexadecimal
What are the four most common math operations? Addition, subtraction, multiplication, and division.
Why is it important to know the base of a number? To know if number is based on 2, 8, 10, or 16 numbering system
What is the purpose of a radix point (.)? To differentiate between whole numbers and the fractional parts
In the number 27,834.9, what are the most significant and least significant numbers? 2 = most significant digit, 4 = least significant digit

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