OCR Computing GCSE Starter 1

What does RAM stand for?

• Random All Memory
• Read All Memry
• Random Access Memory
• Read Access Memory

What is a disadvantage of solid state storage?

• Easily scratched, leading to the loss of data
• Large storage capacity
• Expensive to buy
• Portable, easy to carry around

Algorithm

• is simply a list of instructions that describe how to do
  a particular task.
  
• Starting up a computer
  
• The speed at which the processor carries out instructions
  
• A technology for storing data in an electronic format
  which is used for memory cards. e.g. USB, memory cards.
  

Peripheral Device

• Any hardware device which is connected to the
  computer and controlled by CPU.
  
• This is the place where the computer
  stores programs and files it is using at the moment.
  
• ROM holds part of a program that starts running
  when a computer is switched on.
  
• Simple Mail Transfer Protocol
  

Fetch–Execute cycle

• The process by which programs are run on a computer. The processor repeatedly fetches the instructions of the program from memory and executes them.
• Memory buffer on the processor that stores instructions which have been fetched before and allows them to be fetched more quickly the next time.
• Each single processor circuit capable of fetching and executing instructions.

System software that is used by the operating system to control peripheral devices.

• Device driver
• Disk Formatting

Network in which all the computers are of equal status.

• Ring
• Bus
• Star
• Peer-to-peer

Which of these clock speeds is the fastest:

• 10 Mhz

• 1 Mhz

• 1 Ghz

• 100 Mhz

The four managers of an Operating System are..

• Peripheral Management, Memory Management, Security Management, Process Management

• Peripheral Management, Memory Management, Security Management, Multitasking Management

• Data Management, Memory Management, Process Management, File Management

• Peripheral Management, Memory Management, Process Management, File Management

Which part of the operating system deals with the movement, editing and deletion of data?

• Memory management
• File and disk management
• User management
• User interface