S4 Computer Systems Revision

 $m\ \times base^e$  
Looking at the formula above. Identify what m is? 

• The Mantissa

• The exponent

• The Mundane

The part of the processor that performs all calculations and logical operations (e.g. AND, OR, NOT) is called what?

• Arithmetic & Logic Unit

• Control Unit

• Registers

The part of the processor that controls the sequencing of fetching, decoding and execution of instructions is called the what?

• Arithmetic & Logic Unit

• Control Unit

• Registers

The part of the processor that contains temporary memory locations is called what?

• Control Unit

• Arithmetic & Logic Unit

• Registers

 $bytes\ =\ \frac{bits}{8}$  

• True

• False

Which of these are the correct place values for an 8 bit binary representation?

• 128,68,34,12,6,4,2,1

• 128,64,32,16,8,4,2,1

• 1,0

• 0,1

Binary is how computers communicate and understand. It represents how computers interpret electrical signals.

• True

• False

A bit is....

• A numerical label assigned to each device

• The smallest unit of data in a computer

• A keyboarding term for typing

• A numeral system made up of 16 symbols.

Convert 65 to binary

• 01100001

• 00100001

• 01000001

• 00100101

Convert 00010001 to denary

• 17

• 27

• 37

• 47