Lesson 4.5.4.2
4.5.4.2 Unsigned binary arithmetic Quiz: AQA Computer Science, Unit 5
20 questions
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Lesson 4.5.4.2, Unsigned binary arithmetic: 20 multiple choice questions for the AQA Computer Science (7517), Unit 5: Fundamentals of data representation, written with Revision Ninja.
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The 20 questions
-
What is 1 + 1 in binary, with the carry?
- 100
- 01
- 10
- 11
-
What is 1 + 1 + 1 in binary?
- 10
- 11
- 111
- 100
-
When adding binary digits 1 and 1, what is the carry output?
- 10
- 2
- 1
- 0
-
What is 1 x 1 in binary?
- 11
- 1
- 0
- 10
-
What is the partial product in binary multiplication when the multiplier bit is 0?
- The multiplicand
- All zeros
- All ones
- Inverted multiplicand
-
What does a carry out of the most significant bit indicate in unsigned binary addition?
- Parity error
- Negative result
- Underflow error
- Arithmetic overflow
-
What does shifting an unsigned binary number one place to the left do?
- Divides it by 2
- Multiplies it by 10
- Multiplies it by 2
- Adds 1 to it
-
What is the 4-bit unsigned binary sum of 1011 and 0110?
- 0001
- 1001
- 1111
- 0010
-
Add the unsigned 4-bit binary numbers 1101 and 0011. What is the result?
- 1100 with a carry out
- 1111 with no carry
- 0000 with a carry out
- 0001 with no carry
-
Add the unsigned 4-bit binary numbers 1010 and 0101. What is the result?
- 0111 with no carry
- 0000 with a carry out
- 1111 with no carry
- 1110 with a carry out
-
Multiply the unsigned binary number 1011 by 10. What is the result?
- 10110
- 10101
- 11011
- 10011
-
Multiply the unsigned binary numbers 1011 and 1011. What is the result?
- 1111011
- 1111001
- 1110001
- 1101001
-
Multiply the unsigned binary numbers 110 and 101. What is the result?
- 10110
- 11110
- 11010
- 11100
-
Add the unsigned 8-bit binary numbers 0111 1111 and 0000 0001. What is the result?
- 1000 0000
- 0111 1110
- 1111 1111
- 1000 0001
-
What is the 8-bit unsigned result of adding 11111111 and 00000001?
- 11111111
- 00000000
- 00000001
- 10000000
-
Multiply the unsigned binary numbers 1101 and 101. What is the result?
- 0111001
- 1010001
- 1000001
- 1001001
-
How many bits are needed to store the product of two n-bit unsigned integers?
- n + 1 bits
- n bits
- 2n bits
- 2n - 1 bits
-
Which operation is combined with addition to perform binary multiplication?
- Bitwise shifting
- Subtraction
- Bitwise inversion
- Division
-
What is the binary number 1011 (decimal 11) shifted left by two places?
- 1011100
- 101000
- 101100
- 10110
-
What is the 8-bit unsigned binary result of adding decimal 200 and 100?
- 01100100
- 10010100
- 11001000
- 00101100
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