Computer Science IT quiz WIP - IT Level 3 by MZH

What is hardware?

• A physical system component

• A digital device

• Software you download

• Its a Motherboard

What is software?

• An application that communicates with h/w

• Google

• Powerpoint

• Set of instructions

What does CPU stand for?

• Central Processing Unit

• Central Processing

• The brain

• Control Processing Unit

What does the CPU do?

• Executes a set of instructions from the software

• It stores cache

• It does mathematics and other calculations

• It keeps the circuits alive without any malfunction

What is RAM?

• Random Access Memory

• Read Only Memory

• Random Accessing Memory

When is ROM used?

• For loading the OS

• For loading the BIOS upon startup while communicating with h/w

• When the system needs to be powered on

• For accessing Read Only Files

What factors will improve performance?

• Clock speed

• Memory

• Number of Cores

• Virtual Memory

Computer A has 2 cores and 6GB of RAM

Computer B has 4 cores and 3GB of RAM

Which computer will perform faster?

• Computer A

  It has more RAM

• Computer B

  It has more cores

• Computer A

  It has less cores

• Computer B

  It has less RAM

What is CPU cache?

• Memory within a CPU that can execute instructions very quickly

• Memory within a CPU that is quicker to access that stores frequent instructions

• Memory in the CPU which prevents it from 100% utilization

What is OS?

• Operating System

• Operating Satellite

• Opera Secure-Browser

• A system that is installed on h/w