OCR A Level Revision Test 2

What does 'GPU' stand for?

• Graphics Processing Unit
• Graphics Procedure Unit
• General Processing Unit
• General Procedure Unit

Which of the following is the best definition for 'SIMD'?

• A single operation carried out on many pieces of data at the same time
• A single operation carried out on a single piece of data at a time
• Different instructions carried out at the same time on different pieces of data
• Different operations carried out on the same piece of data at the same time

Which processor design does the following statement relate to, 'better power consumption makes this architecture better suited to portable devices'?

• RISC
• CISC
• Neither
• Both

Which part of the F-D-E cycle can be described as, 'the current instruction is carried out.'

• Execute
• None
• Decode
• Fetch

One purpose of the memory address register is to?

• Hold the address of an instruction passed from the program counter
• Hold the results of calculations
• Hold data being written back to memory
• Connect to the data bus

What type of quick access memory often sits between the CPU registers and the main memory (RAM)?

• Cache memory
• Primary memory
• Immediate access memory
• Backup memory

Which of these is an optical storage device?

• DVD-RW
• Hard disk
• Flash memory
• Cloud

Which of these is not a characteristic of ROM?

• Large capacity
• Small capacity
• Holds the bootstrap
• Non-volatile

What is clock speed measured in?

• Hertz
• Clock cycles
• Processes per second (PPS)
• Clock Ticks

What is best definition of virtual storage?

• Storage which appears local but is physically located elsewhere
• Storing data on the hard disk when main memory runs out of space
• Storing data on removal media such as optical media, tape and flash drives
• Storage which you never have to pay for