N5 Data Rep Quiz

Name how all data and program instructions are represented in any system.

Work out what the binary number 10111101 is in denary and type the answer below.

Work out what the binary number 00011110 is in denary and type the answer below.

Work out what the binary number 01011100 is in denary and type the answer below.

Work out what the denary number 250 is in binary and type the answer below.

Work out what the binary number 31 is in denary and type the answer below.

Work out what the denary number 109 is in binary and type the answer below.

Which definition below describes what Real numbers are?

• just the whole number part of the value is stored
• only allow positive numbers to be stored
• store numbers with whole part, decimal point and fractional part

What do we call the representation used in systems to store Real numbers?

Name the first part of the stored real number that keeps the shortened version of the original number.