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WorksheetsY9 Computing Test - Phase 1
Total questions: 40
Worksheet time: 21mins
(1.1 System Architecture)
What is the name of the Architecture that modern CPUs are built around?
Windows
Intel
Bill Gates
Von Neumann
(1.1 System Architecture)
What is the definition of a computer?
A digital device that accepts inputs, processes data, stores data, and produces outputs.
A electronic device that accepts outputs
A device that connects to the internet
A digital device that allows users to process data
(1.1 System Architecture)
What does CPU stand for?
Centre for Processing Units
Controlled Precision Unit
Centralised Programming Unit
Central Processing Unit
(1.1 System Architecture)
Which of these are REGISTERS in the CPU?
(Tick ALL that are correct)
Accumulator
ALU
Program Counter
Memory Address Register
Control Bus Register
(1.1 System Architecture)
What is the purpose of Cache?
Performs Arithmetic and Logical operations
Decodes and directs instructions to be carried out
Stores frequently used data and instructions
Processes graphical functions
(1.1 System Architecture)
What is the purpose of the accumulator?
To hold the results of a calculation
To hold the accumulation of instructions that are about to happen
To hold the accumulation of instructions that have happened
To perform arithmetic operations
(1.1 System Architecture)
What is the purpose of the Control Unit?
Controls the flow of data around the CPU and also decodes instructions
Only controls the flow of data around the CPU
Only decodes instructions
Controls how much power is directed to all components within the computer
(1.1 System Architecture)
What acts as an intermediary between the processor and the Main Memory?
Clock
Cache
Bus
User
(1.1 System Architecture)
Which of the following is not a register?
CU
MAR
MDR
PC
(1.1 CPU Characteristics)
What units of measurement is CPU clock speed measured in?
Hertz
Bits
Bytes
Seconds
(1.1 CPU Characteristics)
The higher the clock speed...
(Tick all that apply)
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
(1.1 CPU Characteristics)
Modern typical Desktop, Notebook, and smartphone CPU clock speed is measured in...
Gigahertz
Megahertz
Terahertz
Kilohertz
(1.1 CPU Characteristics)
A 1GHz Single Core CPU could process how many instructions per second?
1 Billion
1 Million
1 Trillion
1 Thousand
(1.1 CPU Characteristics)
Which of these doesn’t affect the performance of the computer?
Clock Speed
Number Of Cores
Cache Size
The Number Of Instructions In The Program
(1.1 CPU Characteristics)
Clock speed measures what?
Speed at which instructions are fetched from main memory
Time taken to perform a single Fetch-Decode-Execute cycle
Number of Fetch-Decode-Execute cycles that can be completed in 1 sec
Speed at which instructions are decoded
(1.1 Embedded Systems)
What is an embedded system?
A computer system that has one single purpose
A computer system that has many different purposes
A computer system that can be upgraded
A computer system with multiple operating systems
(1.1 Embedded Systems)
How many of the following are examples of Embedded Systems?
(Tick all that apply)
Mobile Phone
Washing Machine
Microwave
Fridge
Laptop
(1.2 RAM & ROM)
What is held in ROM?
Operating System
Data currently in use
Bootstrap Loader / BIOS
Instructions frequently used
(1.2 ROM & RAM)
What does RAM stand for?
Read Access Memory
Remote Access Module
Random Access Memory
Repeat Access Memory
(1.2 RAM & ROM)
What does ROM stand for?
Random Operating Memory
Reoccuring Operating Memory
Request Only Memory
Read Only Memory
(1.2 RAM & ROM)
RAM & ROM are known as what kind of memory?
Secondary storage
Main memory
Registers
Flash memory
(1.2 RAM & ROM)
In terms of computer memory, what is meant by the term 'volatile'?
It retains its content when power is lost
It loses its contents when power is lost
It is not stable and should not be used
Memory chips can overheat
(1.2 RAM & ROM)
Data and Instructions in use are stored in the
Processor
Embedded System
Hard Disk Drive
Main Memory
(1.2 RAM & ROM)
What is usually held in the contents of RAM?
BIOS and Boot sequence needed to start the computer
Operating System and currently running programs
Software programs stored within the computer
Recently executed instructions in case they are needed again
(1.2 ROM & RAM)
Data and Instructions currently in use are stored in the...
ROM
Solid State Drive
Hard Disk Drive
RAM
(1.2 ROM & RAM)
What does BIOS stand for?
Binary Input Operating System
Basic Input Output System
Basic Input Operating System
Basic Inverted Operating System
(1.2 ROM & RAM)
If BIOS was stored in the RAM what would happen?
It would run faster because RAM is quicker to read and write
It would get erased every time the computer shut off
The BIOS could be larger because RAM has larger capacities
It would remain after the computer has been shut off
(1.2 Virtual Memory)
What is Virtual Memory?
An additional memory slot located in one of the RAM ports
A section of volatile memory created temporarily on the storage drive
Memory stored in the 'cloud'
Memory that doesn't exist inside the computer but on an external device such as a USB pen drive
(1.2 Virtual Memory)
Why is Virtual Memory needed or used by a computer?
When RAM becomes full because of too many programs running at once
When ROM is too small and struggles to store the Operating System
When users wish to store data on an external server such as 'the cloud'
When chosen by the user or computer administrator
(1.2 Virtual Memory)
What is the term commonly used to describe the constant swapping in-and-out of programs between the RAM and Virtual Memory?
Swapping
Paging
Disk thrashing
Over-clocking
(1.2 Secondary Storage)
Which type of storage has moving parts?
Hard Disk Drive
Flash Drive
DVD
Solid State Drive
(1.2 Secondary Storage)
Solid State Drives use
Non Volatile Flash Memory
Volatile Flash Memory
Volatile Storage Memory
Non Volatile Magnetic Memory
(1.2 Secondary Storage)
What are the three types of secondary storage?
Optical, flash, magnetic
Optical, magnetic, hard drive
Optical, magnetic, solid-state
Magnetic, solid-state, flash
(1.2 Secondary Storage)
What is secondary storage?
Long term storage of files or data
Short term storage of files or data
Temporary storage of files or data
Online storage of files or data
(1.2 Secondary Storage)
What is the most durable?
Magnetic Tape
Solid State Drive
Hard Drive
CD
(1.2 Secondary Storage)
What is an advantage of a CD?
Easily scratched, leading to the loss of data
Large storage capacity
Expensive to buy
Portable, easy to carry around
(1.2 Secondary Storage)
A disadvantage of hard drives is
They have moving parts
They are volatile
They don't last long
They are hard to use
(1.2 Secondary Storage)
What is an advantage of a Hard drive?
Easily scratched, leading to the loss of data
Large storage capacity
Expensive to buy
Portable, easy to carry around
(1.2 Secondary Storage)
What is a disadvantage of solid state storage?
Easily scratched, leading to the loss of data
Large storage capacity
Expensive to buy
Portable, easy to carry around
(1.2 Secondary Storage)
Which type of storage uses lasers to write the data?
Optical
Magnetic
Solid state
All types
