Font size
WorksheetsFDE and CPU questions
Total questions: 21
Worksheet time: 12mins
Which of these can affect a CPU's performance
Amount of cores
Clock speed
Cache size
All of them
What does ALU stand for?
(a)
Which storage device allows the CPU to obtain instructions faster but normally has less storage space than other alternatives
Cache
RAM
SSD
USB drive
Which CPU would be faster
Quad core with a clock speed of 3.3GHZ
Dual core with a clock speed of 4.4Ghz
Single core with a clock speed of 3.2Ghz
Octa-core with a clock speed of 1.3Ghz
What is cache size measured in?
Gb, Mb and Tb
Ghz, Mhz and Thz
cm², m² and km²
G and Kg
What is the FDE cycle?
The process of the CPU changing an instruction so it can be understood
How the CPU works when executing instructions
This is when the CPU gets an instruction from the main memory
When the CPU carries out instructions
What is the 'decode' part of the FDE cycle?
When the CPU carries out instructions
This is when the CPU gets instructions from the main memory
The process of the CPU changing instructions so it can be understood by the computer
How the CPU works
What is the 'execute' part of the FDE cycle?
The process of the CPU changing an instruction so it can be understood
How the CPU works when executing instructions
This is when the CPU gets an instruction from the main memory
When the CPU carries out instructions
What is the 'fetch' part of the FDE cycle?
The process of the CPU changing an instruction so it can be understood
How the CPU works when executing instructions
This is when the CPU gets an instruction from the main memory
When the CPU carries out instructions
The control unit and arithmetic logic unit are the 2 main components of the (a) ?
What is the official name of the system connects the internal components of a computer
Bus system
Copper wires
DTS (data transfer system)
Train system
Fibre optic cables
Which of these are embedded systems
A SAT-NAV
A washing machine
A fridge but it can access the internet
A power station's heat control
Compass
which of these does the CU (control unit) do?
Co-ordinate all activities in the CPU
Decode and execute instructions
Receives signals from the system clock
Answer arithmetic questions
Figure out logic questions
Which part of the CPU is known as the CEO/boss?
CU
PC
ALU
Accumulator
MDR
The Von-Neumann Architecture...
Consists of a single shared memory for programs and data, a single bus, an ALU and a PC
Consists of 2 sperate memories for programs and data, a single bus, an ALU and a PC
Consists of a single shared memory for programs and data, 2 buses for data and memory, an ALU and a PC
Consists of 2 separate memories for programs and data, 2 buses for data and memory, an ALU and a PC
The Program Counter (PC) …
Stores the address of the next instruction to be processed.
Holds the address of the instruction being processed.
Holds the data of instruction being processed.
Holds the results of ALU calculations.
Counts programs
Memory Address Register (MAR) …
Stores the address of the next instruction to be processed.
Holds the address of the instruction being processed.
Holds the data of instruction being processed.
Holds the results of ALU calculations.
Memorises registered addresses
Memory Data register (MDR) …
Stores the address of the next instruction to be processed.
Holds the address of the instruction being processed.
Holds the data of instruction being processed.
Holds the results of ALU calculations.
Memorises registered data
Accumulator …
Stores the address of the next instruction to be processed.
Holds the address of the instruction being processed.
Holds the data of instruction being processed.
Holds the results of ALU calculations.
Accumulates junk
Name something that can affect CPU speed
(a)
How confident are you in CPU/FDE cycle questions?
Very confident
Slightly confident
In the middle
Slightly unconfident
Very unconfident
