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All questions of Drilling Down: How the Processor Processes for Year 9 Exam
How does pipelining improve the efficiency of a processor?- a)By increasing clock speed
- b)By executing multiple instructions simultaneously
- c)By storing more data in cache
- d)By reducing power consumption
Correct answer is option 'B'. Can you explain this answer?
a)
By increasing clock speed
b)
By executing multiple instructions simultaneously
c)
By storing more data in cache
d)
By reducing power consumption
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Torcia Education answered |
Pipelining improves efficiency by allowing multiple instructions to be processed at different stages of the machine cycle simultaneously, increasing overall throughput.
Loyalty cards are used by some shops. To get a card .......- a) a customer must supply their name and address details
- b) the customer buys a card from the shop
- c) the customer just picks one up in the shop
- d) the customer only need give their name
Correct answer is option 'A'. Can you explain this answer?
a)
a customer must supply their name and address details
b)
the customer buys a card from the shop
c)
the customer just picks one up in the shop
d)
the customer only need give their name
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Torcia Education answered |
The shop can track what customers buy and use that to send out special offers related to the items they buy the most
What component of the processor is responsible for performing arithmetic and logical operations?- a)Control Unit
- b)Registers
- c)ALU
- d)Cache
Correct answer is option 'C'. Can you explain this answer?
a)
Control Unit
b)
Registers
c)
ALU
d)
Cache
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Torcia Education answered |
The Arithmetic Logic Unit (ALU) is the part of the processor that performs arithmetic and logical operations.
Which of the following is not a stage in the machine cycle of a processor?- a)Fetch
- b)Decode
- c)Execute
- d)Connect
Correct answer is option 'D'. Can you explain this answer?
a)
Fetch
b)
Decode
c)
Execute
d)
Connect
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Torcia Education answered |
The machine cycle includes fetch, decode, execute, and sometimes write back. Connect is not a stage in the machine cycle.
What is the purpose of the program counter in a CPU?- a)To store the current instruction
- b)To count the number of instructions executed
- c)To hold the address of the next instruction
- d)To manage memory allocation
Correct answer is option 'C'. Can you explain this answer?
a)
To store the current instruction
b)
To count the number of instructions executed
c)
To hold the address of the next instruction
d)
To manage memory allocation
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Torcia Education answered |
The program counter holds the address of the next instruction that needs to be executed by the processor.
EPOS stands for .......- a) Electronic Point Of Sale
- b) Electronic Position Of Sale
- c) Electronic Position Of Store
- d) Electronic Program Operating System
Correct answer is option 'A'. Can you explain this answer?
a)
Electronic Point Of Sale
b)
Electronic Position Of Sale
c)
Electronic Position Of Store
d)
Electronic Program Operating System
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Torcia Education answered |
Another example for you of an automatic input
When buying something in the shop, the loyalty card is .......- a) given to the shelf filler
- b) ignored
- c) looked at by the checkout staff
- d) usually asked for and read at the checkout
Correct answer is option 'D'. Can you explain this answer?
a)
given to the shelf filler
b)
ignored
c)
looked at by the checkout staff
d)
usually asked for and read at the checkout
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Torcia Education answered |
They are usually read using the barcode reader that is used on the items bought
What does an EFTPOS system primarily facilitate?- a)Electronic shopping transactions
- b)Employee payroll management
- c)Inventory management
- d)Cash withdrawals at the checkout
Correct answer is option 'A'. Can you explain this answer?
What does an EFTPOS system primarily facilitate?
a)
Electronic shopping transactions
b)
Employee payroll management
c)
Inventory management
d)
Cash withdrawals at the checkout
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Torcia Education answered |
EFTPOS (Electronic Funds Transfer at Point Of Sale) systems enable customers to make electronic payments using debit or credit cards directly at the point of sale.
A loyalty card sends details of a purchase and .......- a) the customer credit card number to the shop database
- b) the customer ID to the shop database
- c) the customer mobile phone number to the shop database
- d) the shop ID to the shop database
Correct answer is option 'B'. Can you explain this answer?
a)
the customer credit card number to the shop database
b)
the customer ID to the shop database
c)
the customer mobile phone number to the shop database
d)
the shop ID to the shop database
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Torcia Education answered |
It uses an automatic input system
What is the primary function of the processor in a computer?- a)To store data
- b)To execute instructions
- c)To provide power
- d)To connect peripherals
Correct answer is option 'B'. Can you explain this answer?
a)
To store data
b)
To execute instructions
c)
To provide power
d)
To connect peripherals
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Torcia Education answered |
The processor, also known as the CPU, is responsible for executing instructions from computer programs, which is its primary function.
What is the role of registers in a CPU?- a)To store instructions permanently
- b)To connect the CPU with peripherals
- c)To temporarily hold data and instructions
- d)To manage power supply
Correct answer is option 'C'. Can you explain this answer?
a)
To store instructions permanently
b)
To connect the CPU with peripherals
c)
To temporarily hold data and instructions
d)
To manage power supply
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Torcia Education answered |
Registers are small, fast storage locations within the CPU that temporarily hold data and instructions during processing.
Which of the following best describes the fetch-execute cycle?- a)The process of saving and loading files
- b)The process of converting high-level code to machine code
- c)The cycle of retrieving an instruction from memory, decoding it, and executing it
- d)The process of connecting to a network
Correct answer is option 'C'. Can you explain this answer?
a)
The process of saving and loading files
b)
The process of converting high-level code to machine code
c)
The cycle of retrieving an instruction from memory, decoding it, and executing it
d)
The process of connecting to a network
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Torcia Education answered |
The fetch-execute cycle involves retrieving an instruction from memory (fetch), decoding it to understand what needs to be done (decode), and then executing the instruction (execute).
When an application for a loyalty card is received .......- a) the shop adds name and address details onto a database
- b) the shop loses it
- c) the shop performs an identity check on the customer
- d) the shop simply sends out the card
Correct answer is option 'A'. Can you explain this answer?
a)
the shop adds name and address details onto a database
b)
the shop loses it
c)
the shop performs an identity check on the customer
d)
the shop simply sends out the card
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Torcia Education answered |
This will be a relational database as the store will record all of the items that each customer with a loyalty card buys
What is the primary purpose of a loyalty card scheme for a shop?- a)To track customer spending habits
- b)To collect customer demographic data
- c)To issue discounts on all purchases
- d)To provide free items upon registration
Correct answer is option 'A'. Can you explain this answer?
What is the primary purpose of a loyalty card scheme for a shop?
a)
To track customer spending habits
b)
To collect customer demographic data
c)
To issue discounts on all purchases
d)
To provide free items upon registration
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Torcia Education answered |
Loyalty cards allow shops to gather data on what customers purchase, enabling them to tailor marketing strategies and offers based on individual shopping habits.
In a multi-core processor, what does each core represent?- a)A separate CPU
- b)A memory module
- c)A single instruction
- d)A peripheral device
Correct answer is option 'A'. Can you explain this answer?
a)
A separate CPU
b)
A memory module
c)
A single instruction
d)
A peripheral device
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Torcia Education answered |
Each core in a multi-core processor represents a separate CPU that can independently execute instructions.
Which is not an advantage of a loyalty card scheme to a consumer?- a) Stores may give a voucher to give the customer some money off their next bill
- b) Shops can build a profile of a customer
- c) Stores can offer customers personalised offers
- d) The customer may be rewarded with discounts on specific items
Correct answer is option 'B'. Can you explain this answer?
a)
Stores may give a voucher to give the customer some money off their next bill
b)
Shops can build a profile of a customer
c)
Stores can offer customers personalised offers
d)
The customer may be rewarded with discounts on specific items
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Torcia Education answered |
Building a customer profile could be a privacy violation
Bar codes .......- a) are easily read by the checkout person
- b) contain product ID and can be read quickly by a scanner
- c) contain product stock level and price information
- d) contain product ID and stock levels
Correct answer is option 'B'. Can you explain this answer?
a)
are easily read by the checkout person
b)
contain product ID and can be read quickly by a scanner
c)
contain product stock level and price information
d)
contain product ID and stock levels
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Torcia Education answered |
Price and stock levels are stored on a database linked to the product ID and are not part of the bar code
How does an EPOS system contribute to better stock control?- a)By automatically ordering more stock when items are low
- b)By notifying suppliers of stock levels
- c)By providing real-time updates on inventory
- d)By reducing the number of items available for purchase
Correct answer is option 'C'. Can you explain this answer?
How does an EPOS system contribute to better stock control?
a)
By automatically ordering more stock when items are low
b)
By notifying suppliers of stock levels
c)
By providing real-time updates on inventory
d)
By reducing the number of items available for purchase
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Torcia Education answered |
EPOS systems update stock levels instantly as items are sold, allowing shops to monitor inventory levels accurately and make informed decisions about restocking.
How does the control unit of a processor function in a computer system?- a)It executes instructions
- b)It performs calculations
- c)It manages the execution of instructions
- d)It stores data
Correct answer is option 'C'. Can you explain this answer?
a)
It executes instructions
b)
It performs calculations
c)
It manages the execution of instructions
d)
It stores data
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Torcia Education answered |
The control unit directs the operation of the processor, managing the execution of instructions and coordinating the activities of other units within the computer.
Which type of memory is used by the processor to store data that it needs quickly?- a)Hard Drive
- b)RAM
- c)ROM
- d)Cache
Correct answer is option 'D'. Can you explain this answer?
a)
Hard Drive
b)
RAM
c)
ROM
d)
Cache
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Torcia Education answered |
Cache memory is a small, fast type of volatile computer memory that provides high-speed data access to the processor.
Chapter doubts & questions for Drilling Down: How the Processor Processes - Year 9 Computing (Cambridge) 2025 is part of Year 9 exam preparation. The chapters have been prepared according to the Year 9 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Year 9 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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