organisation & architecture Exam
Questions & Answers (Grade A+)
What 2 memory types make up main memory? -
correct answer ✅RAM (Random Access Memory)
ROM (Read Only Memory)
What does main memory store? -
correct answer ✅Program instructions and program data
True or false: Secondary storage is usually faster than main memory
-
correct answer ✅False
What is a bus? -
correct answer ✅a series of parallel wires that connects internal
components of a computer system, allowing signals to be passed
between them.
Finish the sentence: a bus width has a direct _______ to the
number of bits it can transfer simultaneously -
correct answer ✅Relationship
,Topic 7 Fundamentals of computer
organisation & architecture Exam
Questions & Answers (Grade A+)
What does an Address Bus do? -
correct answer ✅Used to transport memory addresses
Specifies where in memory, data is to be sent to or retrieved from.
What affect does increasing the width of an address bus do? -
correct answer ✅Increases the range of addresses that can be
specified, doubling with each wire added.
What is the role of a data bus? -
correct answer ✅Sends data and instructions to and from the
different components of the computer system
What affect does increasing the width of a data bus do? -
correct answer ✅Increases the volume of data that can be
transferred at any one time
What is the role of the control bus? -
correct answer ✅Used to carry control signals that regulate the
operation of the computer system, including carrying the
computer's clock signal
, Topic 7 Fundamentals of computer
organisation & architecture Exam
Questions & Answers (Grade A+)
What is an I/O controller? -
correct answer ✅Pieces of hardware that control the
communication of data between the processor and external
hardware devices.
What are the 2 different types of CPU architecture? -
correct answer ✅Von Neumann & Harvard architecture
Name 3 qualities of Harvard architecture -
correct answer ✅The processor uses two separate main memory
locations, one for data and the other for instructions.
Each piece of main memory can be given different characteristics
like a larger instruction storage
Extensively used in embedded systems
Name 3 qualities of Von Neumann architecture -
correct answer ✅Both instructions and data are stored together in
the same memory.