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WorksheetsCS CPU - End of Unit Quiz
Total questions: 23
Worksheet time: 12mins
What units of measurement is CPU clock speed measured in?
Hertz
Bits
Bytes
Seconds
The higher the clock speed...
The more instructions per second are processed
The hotter the CPU will get
The fewer instructions per second are processed
The cooler the CPU will get
A CPU clocked at 1hz would...
Process one instruction per second
Process one hundred instructions per second
Process one thousand instructions per second
Process one million instructions per second
A CPU clocked at 2Ghz would...
Process 2 million instruction per second
Process 2 billion instructions per second
Process 2 thousand instructions per second
Process 2 hundred instructions per second
Modern typical Desktop, Notebook, and smartphone CPU clock speed is measured in...
Gigahertz
Megahertz
Terahertz
Kilohertz
What is a core?
The central part of a CPU
The central part of a Control Unit
A discrete processing unit within a CPU
The part of a CPU which does the calculations
A 1GHz Single Core CPU could process how many instructions per second?
1 Billion
1 Million
1 Trillion
1 Thousand
A 500MHz Quad Core CPU could process how many instructions per second?
4 Billion
1 Billion
2 Billion
8 Billion
Select the fastest CPU below:
500Mhz Dual Core CPU
1GHz Single Core CPU
500MHz Oct Core CPU
1GHz Dual Core CPU
CPU Cache contains...
General Data
Applications
Frequently used instructions and data
General instructions
What is the purpose of the CPU
Process data
Input data
Delete data
Output data
The CPU is often described as...
The muscle of the computer
The brains of the computer
The head of the computer
The eyes of the computer
What is the purpose of the Control Unit (CU)?
Controls the flow of data around the CPU and to and from other components
Controls the actions carries our by the CPU and other components
Controls the input and output devices that are attached to the computer
Controls the timings of the CPU and limits and increases it's frequencies when needed
What is the purpose of the ALU?
To carry out arithmetic operations
To carry out logical operations
To carry out addition operations
To move data between the CPU and accumulator
A register...
Is a specialist type of cache which is large in capacity and very fast
Is a specialist type of memory which is small in capacity and very fast
Is a specialist type of CPU specifically used for counting
Is a specialist type of CPU used in smaller, low power devices
Which of the following are specialist registers?
CU
MDR
PC
MAR
Before the invention of the Von Neumann Architecture, most computers ...
Were hand wired
Were easy to re-program
Could carry out more than one task
Stored their program in memory
Could only carry out one task
Von Neumann Architecture stated that...
Data should be stored in memory
Programs should be stored in memory
Data should not be stored in memory
Programs should not be stored in memory
Both Programs and Data should be stored in memory
What component holds the address of the next instruction
Memory Data Register
Accumulator
Memory Address Register
Program Counter
What is an embedded system?
A computer which resides within a larger system or device
A computer which helps a larger computer
A computer which can be embedded within your body
A computer small which can run on batteries
Which of the following are embedded systems?
Laptop
Thermostat
Television
MP3 player
Smartphone
Embedded systems are...
Cheaper to produce
Easier to manufacture
More powerful than general purpose computers
Require a lot of storage
Can only run on batteries
Embedded systems are...
Good at carrying out multiple tasks
Specialised at doing one task
Are less likely to malfunction
Use less energy than general purpose computers
Are easier to repair
