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WorksheetsY10 End Point 1 Revision
Total questions: 90
Worksheet time: 51mins
Which of the following best describes the Fetch-Decode-Execute cycle?
The process of storing data in memory
The sequence the CPU uses to process instructions
The way data is transferred to the printer
The method for cooling the CPU
What is the purpose of a register in the CPU?
To permanently store files
To temporarily hold data and instructions being used
To connect the CPU to the internet
To display graphics
Which architecture is based on a single memory space for both instructions and data?
Harvard Architecture
Von Neumann Architecture
RISC Architecture
CISC Architecture
What does MAR stand for?
Memory Address Register
Main Arithmetic Register
Machine Access Register
Memory Allocation Register
What is the function of the MDR in the CPU?
To store the address of the next instruction
To hold data being transferred to or from memory
To perform calculations
To control the clock speed
What does the Program Counter do?
Counts the number of programs running
Stores the address of the next instruction to be executed
Measures the speed of the CPU
Stores the results of calculations
Which register is used to store the result of calculations in the CPU?
MAR
Accumulator
MDR
Program Counter
What does clock speed measure in a CPU?
The amount of data stored
The number of instructions processed per second
The temperature of the CPU
The size of the cache
How does increasing cache size affect CPU performance?
It decreases performance
It has no effect
It can increase performance by reducing access time to frequently used data
It slows down the fetch-decode-execute cycle
What is meant by the term 'cores' in a CPU?
The number of wires in the CPU
The number of processing units within the CPU
The amount of cache memory
The number of input devices connected
Which of the following is an example of an embedded system?
Laptop computer
Washing machine controller
Desktop PC
External hard drive
Which part of the CPU is responsible for interpreting instructions and controlling the flow of data?
ALU
CU
Cache
Register
What is the main advantage of having multiple cores in a CPU?
Lower power consumption
Ability to process multiple instructions simultaneously
Increased storage capacity
Faster internet connection
Which of the following best describes an embedded system?
A general-purpose computer
A computer system designed for a specific function within a larger system
A device used only for gaming
A system that can run any software
During the fetch stage of the fetch-decode-execute cycle, which register holds the address of the instruction to be fetched?
Accumulator
Program Counter
MDR
ALU
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
What is ROM soldered to?
The motherboard
The CPU
The power supply
The hard drive
What does ROM contain?
User's personal files
The first instructions for the computer
The operating system
Temporary data for running programs
What is the main purpose of RAM in a computer system?
To keep the computer cool
To store the BIOS
To hold the operating system when the computer is running
To make the computer look better
What type of storage is ROM classified as?
Non-volatile
Volatile
Optical
Temporary
What happens to the data in RAM when the computer is turned off?
It is permanently saved
It is transferred to the ROM
It is printed out
It is lost
What is processor speed measured in?
Hertz
Watts
Amps
Volts
How many of the following are examples of Embedded Systems?
Mobile Phone
Washing Machine
Microwave
Fridge
Laptop
Convert the binary number 0001 1011 to denary
(a)
Convert the denary number 39 to binary
(a)
Add the binary numbers 1100 1100 and 0011 0011
(a)
Add the binary numbers 0100 1111 and 0011 0011
(a)
Perform a left binary shift of 1 on the binary number 0110 0110
(a)
Perform a right binary shift of 3 on the binary number 0110 0110
(a)
Convert the hexadecimal number A5 to binary
(a)
Convert the denary number 46 to hexadecimal
(a)
Convert the hexadecimal number 5F to denary
(a)
What category of secondary storage do these belong to?
Magnetic
Optical
Solid State
What category of secondary storage does this device belong to?
Optical
Magnetic
Solid State
What are the three main categories of secondary storage?
Magnetic
Liquid State
Solid State
Optical
Tertiary
What category of secondary storage does this belong to?
Magnetic
Optical
Solid State
What category of secondary storage does this belong to?
Magnetic
Optical
Solid State
What category of secondary storage does this belong to?
Magnetic
Optical
Solid State
Which is generally the most expensive category of storage?
What of the below is a disadvantage of a flash memory drive (usb pen drive)?
Which of the following have the fastest read/write speed?
Which of the following is the cheapest device to buy?
Which of the following secondary storage categories is the most durable/robust?
What type of network is this?
(a)
What type of network is this?
(a)
What is a major advantage of using a star topology in a network?
It requires less cabling than other topologies.
It is very scalable and easy to add new nodes.
Data can take multiple paths to reach its destination.
It does not require a central connecting device.
Which of the following is a disadvantage of a mesh topology?
High redundancy
Increased complexity with more nodes
Low fault tolerance
Limited scalability
In a star topology, if one cable fails, what happens to the network?
The entire network goes down.
Only the node connected to the failed cable is affected.
Data can reroute through other cables automatically.
The central device fails and needs to be replaced.
Which topology typically requires more cabling, star or mesh?
Star
Mesh
Both require the same amount
It depends on the number of nodes
In a mesh network, how is data typically transmitted between devices?
Through a single central device
Along a single path from source to destination
Through multiple potential paths
In a circular pattern
How does the performance of a star network compare to a mesh network as more devices are added?
The performance of a star network decreases significantly.
The performance of a mesh network decreases significantly.
The performance of both networks remains unchanged.
The performance of both networks improves.
Connects multiple computers together in a local-area-network. Only sends data to the correct IP or MAC address.
Switch
Hub
Router
Repeater
Which best describes the function of a switch?
Connects printers together in a LAN
Connects devices together in a WAN
Connects devices together in a LAN
Shares Internet connection on a LAN
What is the purpose of a MAC address?
To route packets on a wide area network
To route frames on a local area network
To control devices remotely via apps
To identify a host computer on the internet
What is the main reason for the invention of IPv6?
To identify a host computer on the internet
To control devices remotely via apps
To replace IPv4 due to running out of unique static addresses
To route frames on a local area network
What is the main difference between a MAC address and an IP address?
MAC addresses are 32 bits in size, while IP addresses are 128 bits in size
MAC addresses are used for wide area networks, while IP addresses are used for local area networks
MAC addresses are unique to every network interface card, while IP addresses are unique to every host device
MAC addresses are written as eight groups separated by colons, while IP addresses are written as four numbers separated by periods
Which of the following are examples of IP(V4) addresses?
255.255.255.255
254.256.300.919
8F-E8-D0-15-A5-61
123.156.178.0
1.2.3.4
Which of the following are examples of MAC addresses?
91-BF-B3-0B-6E
A2-FE-D2-52-39-30
9D-FC-7F-9D-94-D0
192.168.2.1
4D-B8-AF-98-G1-5B
Which component requires a MAC address?
Network Interface Card
CPU
Graphics Card (GPU)
RAM
Secondary Storage
This is the physical address of the device used to identify it on a Local Area Network (LAN)
IP address
MAC address
This address is used to identify a device on a local area network and a wide area network. It allows devices to communicate with each other
IP address
MAC address
Which of these is an IPv4 address?
242.94.12.48
242.F2.5A.16
2001:0db8:0000:0000:0000:ff00:0042:8329
A3:45:F6:E2:9A:12
Which of these is a MAC address?
242.94.12.48
242.F2.5A.16
2001:0db8:0000:0000:0000:ff00:0042:8329
A3:45:F6:E2:9A:12
Where are main components of CPU shown?
Arithmetic logic unit (ALU)
Control Unit (CU)
Registers
Program counter (PC)
Accumulator (ACC)
Registers
Arithmetic logic unit (ALU)
Current Instructions Register (CIR)
Control Unit (CU)
Registers
Memory Data Register (MDR)
Accumulator (ACC)
What is clock rate?
The rate at which the internal timer of the CPU operates
The number of instructions copied by a CPU from the storage drive in a second
The number of instructions processed by a CPU in a second
