GCSE Computing 1.1 - 1.3 Revision

Solid state drive

• Storage that works by storing the data in electronic circuits
• Storage that can be disconnected from the main computer unit, for example to transfer files between computers.
• Storage that uses a surface which can be magnetised to store data.

What is an advantage of a CD?

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

What is an advantage of Cloud Computing?

• Can access your files anywhere

• It is safer

• Can access files anywhere you have internet

• Expensive

In order of fastest to slowest with the fastest on the left and slowest on the right, name each type of memory in order.

• Cache > RAM > Hard Drive
• Hard Drive > RAM > Cache
• RAM > Cache > Hard Drive
• RAM > Hard Drive > Cache

Which of the following shows the capacity of OPTICAL STORAGE MEDIA in the correct order (smallest to largest)?

• DVD > BLU RAY > CD

• CD > DVD > BLU RAY

• BLU RAY > DVD > CD

• DVD > CD > BLU RAY

Which of the following would NOT be a suitable means for a wedding photographer to store pictures (choose as many as appropriate)?

• DVD

• USB Drive

• Magnetic Tape

• SD card

The STORED PROGRAM CONCEPT means that computers...

• Have specific memory locations for instructions and specific memory locations for data

• Can store data and instructions anywhere within memory

The CPU is....

• The part of a computer that inputs data

• The part of a computer that processes instructions

• The part of a computer that outputs data

• The part of a computer that permanently stores data

Which of these ARE NOT parts of the CPU? (select as many as appropriate)

• Accumulator

• General Purpose Register

• Input Device

• PC (Program Counter)

• Output Device

Either stores the address from which data will be fetched from the CPU, or the address to which data will be sent and stored.

• MAR (Memory Address Register)

• MDR (Memory Data Register)

• CIR (Current Instruction Register)

• PC (Program Counter)

• ALU (Arithmetic and Logic Unit)