Question

Qulok cheok
A. Fill in the blanks.
1. The base of octal number system is _________
2. The values from 10 to 15 are represented by letters in ___________
number

3. In binary subtraction, 1 - 0 equals to __________
4. The binary value of 1 + 1 equals to __________
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Answer 1

Answer:

1 . base-8

2 . A to F

3 . In binary subtraction, the only case where borrowing is necessary is when 1 is subtracted from 0. When this occurs, the 0 in the borrowing column essentially becomes "2" (changing the 0-1 into 2-1 = 1) while reducing the 1 in the column being borrowed from by 1.

4 . 1+1=10 in binary base because “10” in binary base equals 2 - because the second from right digit is a 2^1 digit, so when the digit over there is 1 - it gives the value 1•2^1 which equals 2 in decimal base.

Explanation:

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Answer 2

Answer:

1) base 8

2)5 number

3) 1

4) 2