Arithmetic and Logic Unit

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 first complete ALU that fit entirely inside a single chip was released in ___

• 1970

• 1984

• 1957

• 1948

The handling of all numerical operations in a computer is done by ___

• the logic unit

• the arithmetic unit

• the linguistics unit

• random access memory

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

Remember that in binary, 1 and 0, respectively, are the same as ___

• up and down

• left and right

• go and stop

• true and false

Which logic gate almost exactly describes the addition of two binary numbers?

• an AND gate

• a NOR gate

• a NAND gate

• an XOR gate

When adding two binary numbers, which logic gate is used to calculate the carry bit?

• an AND gate

• an OR gate

• a NAND gate

• an XOR gate

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