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WorksheetsDigital Technology
Total questions: 19
Worksheet time: 10mins
Which of these diagrams is correct for an OR gate?
Which of the following gates only takes one input?
AND
OR
NOT
Which gate will output a 1 if any of the inputs are 1?
AND
OR
NOT
Which gate "reverses" any numbers that pass through it?
AND
OR
NOT
Complete this truth table for an AND gate.
0000
0001
0111
1111
Complete this truth table for an OR gate.
0000
0001
0111
1111
Complete this truth table for an OR gate.
0000
0001
0111
1111
If A was 1 and B was 0 in this circuit, what would Q be?
0
1
Which of the following scenarios is the only one where R would be 0 in this circuit?
If all of the switches were on
If all of the switches were off
If half of the switches were on
If only one of the switches were on
In this circuit, if A and B were both 0, what would R be?
0
1
The binary number 00101010, when converted to decimal is ___
24
32
42
48
The acronym ALU stands for a computer's ___
accepted language utility
advanced logarithmic unit
arithmetic and linguistic utility
arithmetic and logic unit
The addition of binary numbers can be described using four logic gates; ___
XAND, OR, NOT and XOR
AND, OR, NOT and ELSE
AND, OR, NOT and XOR
AND, IF, NOT and OR
The circuit that sums A and B, and has two outputs, sum (S) and carry (C), is called ___
a half adder
a full adder
a simple summer
a digital combiner
A digital circuit that sums two numbers, and includes a carry bit (C) as input is called ___
a half adder
a full adder
a partial compiler
a complete compiler
In a full adder, which logic gate is used to check if either one of the carry bits is true?
an OR gate
an AND gate
an XOR gate
a NAND gate
In an 8-bit adder, which component is used when there's a carry bit from a previous operation?
a half adder
a full adder
a full compiler
a partial summer
What operations are not included in simple ALUs?
negate and pass-through
increment and decrement
subtract and borrow
multiplication and division
Fancy ALUs will have more flags, but the three flags that are universal and frequently used are ___
Stack, Zero and Negative
Stack, Overflow, and Negative
Overflow, Zero, and Negative
Overflow, Zero, and Stack
