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Worksheets1.1 Architecture of CPU
Total questions: 38
Worksheet time: 21mins
Controls the Fetch, Decode, Execute Cycle
RAM
CPU
ROM
Primary Storage
Holds the bootstrap, BIOS, and Motherboard's Firmware
CACHE
Virtual Memory
ALU
ROM
Which holds the address of the next instruction to be fetched from memory?
ALU
MDR
CU
PC
This stores the address of the data to be fetched from memory.
MDR
MAR
RAM
PC
Which performs the mathematical and logical calculations?
ALU
MDR
MAR
PC
Stores the intermediate results of calculations carried out in the ALU.
MDR
ALU
ACC
CU
This holds the current data that has been fetched from memory.
RAM
MDR
CU
ACC
Number of F, D, E cycles carried out per second
Hertz
Processing
Clock Speed
Bit Rate
Which of these are examples of embedded systems?
Phone
Washing Machine
Tablet
Remote Controlled Car
Clock speed is measured in what unit?
(a)
A computer system that performs a limited range of functions is called?
(a)
Which holds frequently used instructions and data?
RAM
ROM
Virtual Memory
Cache
What type of high-speed random access memory (RAM) is built into the processor?
ROM
Cache
SSD
ALU
(a) allows for faster processing as the processor does not have to wait for data/instructions to be fetched from RAM.
(a) receives instructions and data from an input or memory.
What are the functions of a CPU?
Processing data and instructions
Storing data that is actively used by the system
Holding the BIOS
Controlling the rest of the computer system
Which issues control signals that control hardware?
Embedded System
ROM
ALU
CU
What moves data around the system?
Cache
CU
ALU
CD
Where are calculations done and where are decisions made?
CU
SSD
ROM
ALU
What acts as a gateway between primary and secondary storage?
MDR
RAM
ALU
MDR
Small amount of high-speed random access memory (RAM) is built directly within the processor. What is it called?
CU
SSD
RAM
Cache
What impact does increasing cache in a computer have?
System runs faster
Allows parallel processing
Allows multitasking
Allows multi-threading
Within the Von Neumann Architecture, which of the following are stored as binary digits?
Instructions
RAM
Compilers
Data
When a computer is in use, data and instructions are both potentially stored in...
Secondary Storage
Virtual Memory
Primary Storage
ROM
This sends out a regular electrical pulse which synchronizes all the components, keeping them in time.
ALU
PC
Cache
Clock
How many cycles per second does a 3 gigahertz (GHz) computer perform?
3 Million
30 Million
3 Billion
30 Billion
The bigger its cache, the less (a) a processor has to wait for instructions to be fetched.
A processing unit within a CPU is known as a (a) .
The more cores a CPU has, the greater the number of (a) it can process in a given period of time.
An ________ ______ is not usually programmable by a user
(a)
Which of the following are often true about embedded systems?
User programmable
Cheaper to design
Operated by batteries
Do not require much processing power
Cheaper to build
What is the function of the Control Unit (CU) in a computer?
Performs mathematical and logical operations
Stores data and instructions
Manages and coordinates all the hardware components
Increases the speed of the computer
What is the primary function of the Arithmetic Logic Unit (ALU)?
Controls the Fetch, Decode, Execute Cycle
Performs mathematical and logical operations
Stores data and instructions
Manages and coordinates all the hardware components
What is the purpose of the Memory Data Register (MDR)?
Stores the address of the data to be fetched from memory
Stores the intermediate results of calculations carried out in the ALU
Holds the current data that has been fetched from memory
Controls the Fetch, Decode, Execute Cycle
Where is the operating system stored when the computer is turned off?
ROM
RAM
Cache
Secondary Storage
Reorder the following types of memory from smallest to largest capacity
Register
Cache
RAM
Blu Ray
Magnetic Hard Drive.
