TEST: NUMBERS WE USE IN DIGITAL

ELECTRONICS

Read each sentence and determine wherlier it is true or false

In digital electronics we use the symbols $0$ and $1,$ this is referred to as the

hexadecimal number system.

Decimal $7$ equals $0110$ in binary.

The binary number $1001$ equals $8$ in decimal.

The $1$ in the binary number $10000$ has a weight of decimal $16.$

The binary number $110110$ equals $54$ in decimal.

The binary number $11001000$ equals $100$ in decimal.

The decimal number $44$ equals $101100$ in binary.

The decimal ntmber $253$ equals $11111111$ in binary.

The decimal number $14$ equals $1101$ in binary

The binary number $1111$ equals $15$ in decimal.

A decoder is an electronic device that translates from a decimal uput

to binary.

An encoder is used between a culculator keyboard and the central process

ing unit.

Decimal $13$ equals $D$ in hexadecimal.

Decimal $10$ equals A in hexadecimal.

Binary $111111$ equals $3F$ in hexudecimal.

Binary $11101011$ equals $7B$ in hexadecimal.

Hexadecimal AB equals $75$ in decimal

Hexahecimal A$6$ equals $166$ in decimal.

Decimal $108$ equals $5$ C in hexadecimal.

Decimal $45$ equals D$2$ in hevadecimat

Subsctipts are sometimes added to number to show the bate of the

number.

${1011}_2$ thit $14$

The Gctal munther $157$ equil $110411$ in hunay

The octal number $710$ equals $55k$ in decinal.

The decimet number Jor rquale toh th outal.