OCR Computer Science Paper 2 Revision Quiz #2

This translator is used to test programs to make sure that they work - usually during the iterative testing stage

This translator translates all the code in one go, produces object code which can be distributed to users and also a list of errors/bugs

Answer explanation

Compilers do it all in one go

What is breaking a problem down into smaller steps?

What is only focusing on or ignoring unnecessary parts of a problem?

What logic gate is this?

• AND

• OR

• NOT

• NOR

What logic gate is this?

• AND

• OR

• NOT

• NOR

What logic gate is this?

• AND

• OR

• NOT

• NOR

What is the correct order for a SQL query?

• SELECT

  FROM

  WHERE

• WHERE

  SELECT

  FROM

• FROM

  WHERE

  SELECT

• WHERE

  FROM

  SELECT

How many steps would a binary search take to find the number 30 in this list:

1, 3, 6, 11, 30, 37, 89

How many steps would a linear search take to find the number 11 in this list:

1, 3, 6, 11, 30, 37, 89