4.7: Fundamentals of Computer Organisation and Architecture: revision quiz and key terms

Free practice for 4.7: Fundamentals of Computer Organisation and Architecture in AQA A Level Computer Science (7517). It has 11 parts, listed below. Try the questions, then check the key terms.

Key terms for 4.7: Fundamentals of Computer Organisation and Architecture

Addressable memory

Memory in which each individual location has a unique address.

Control unit

Coordinates and manages the activities of the processor.

Interrupt

A signal to the processor that a device or program needs attention.

Logical shift left

Moves each bit in a register one position to the left.

Opcode

The part of a machine code instruction that specifies the operation to be performed.

Operand

The part of a machine code instruction that holds the data or the address of the data to be used.

Program counter

A register that holds the address of the next instruction to be fetched.

Stored program concept

Machine code instructions are stored in main memory and fetched and executed one at a time by the processor.

What 4.7: Fundamentals of Computer Organisation and Architecture covers

In RADevo this topic has a full topic test and a focused quiz for each part:

• 4.7.1.1 Internal Hardware Components of a Computer
• 4.7.2.1 The Meaning of the Stored Program Concept
• 4.7.3.1 The Processor and Its Components
• 4.7.3.2 The Fetch-Execute Cycle and the Role of Registers
• 4.7.3.3 The Processor Instruction Set
• 4.7.3.4 Addressing Modes
• 4.7.3.5 Machine-Code/Assembly Language Operations
• 4.7.3.6 Interrupts
• 4.7.3.7 Factors Affecting Processor Performance
• 4.7.4.1 Input and Output Devices
• 4.7.4.2 Secondary Storage Devices