What happens to RAM when the electricity is turned off?

The data from the memory is not saved

The data from memory is saved onto flash memory

The data from the memory is saved onto the hard disk

The data from the memory is saved onto ROM

RAM - What happens when the electricity Is turned off? (1-2)

The data from the memory is not saved

The data from the memory is saved onto the hard disk

The data from the memory is saved onto ROM

The data from the memory is saved onto flash memory

A computer is continuously paging to the swap file. Discuss why this might be (5-8)

The virtual memory is too small

What doesn’t affect the performance of the computer

The number of instructions in the program

If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor – what is the exact effect on the performance of the computer?

The number of instructions executed per second stays the same

The number of instructions executed per second quadruples

The number of instructions executed per second doubles

The number of instructions executed per second is halved

What is held in cache?

Commonly used instructions and data

All of the programming instructions

Instructions that have been processed

Data that hasn’t been used for a long time

Predicted that the number of transistors on a circuit board would double ever year

The performance increase of computers would eventually halt in 2020

That the number of cores on a processor would double every year

Computers would be capable of thinking and learning for themselves by 2020

This doesn’t happen during the Decode / Execute part of the cycle: (7-9)

Instructions are transferred from Main Memory

Results are held in the Accumulator

Current Instruction is held in the CIR

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

What is a standalone computer?

A computer that is not connected to a network

A computer that is being used as a server

A computer that does not have any peripherals attached to it

A computer that is only used by one person

Which of these is a characteristic of a LAN?

User can share files and peripherals

It covers a wide geographical area

Computers are connected together using a leased line or a satellite

Data can only be transmitted at a slow rate

Which of these is a characteristic of a WAN

Normally has a lower bandwidth than a LAN

It covers a small geographical area

It is contained within one building

User are not able to share files and peripherals

Which of these statements is true?

A client-server network has a central computer that provides services to the rest of the network

A client-server network is cheap and easy to set up

A client-server network cannot be used to share files

Each computer on a client-server network is maintain separately

Where are you most likely to find a peer-to-per network?

Across several offices in a company

Which of these is a benefit of a peer-to-peer network?

Files and peripherals can be shared

Antivirus scans can be run across all computers from one computer

All software updates can be run across all computers from one computer

All computers can be maintained from one computer

Which of these is the correct definition of a router?

Forwards data packets along a network

Corrects errors that are found in data packets

A type of transmission media that provides the greatest bandwidth

What is meant by latency in the performance of a network?

The amount of time data takes to travel from the source to the destination

The maximum rate that data can be transferred at

The number of errors that are found in a data packet after transmission

The route a packet takes when it is being transmitted

OCR GCSE Computer Science - J276 1.1 - 1.7

Authored by Kabir Kenth

Computers

KG - Professional Development

Used 275+ times

OCR GCSE Computer Science - J276 1.1 - 1.7

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91 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This is volatile storage (1-3)

RAM

Secondary Storage

ROM

Hard Disk

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This contains the BIOS (Boot-up program) (3-4)

ROM

Secondary Storage

Hard Disk

RAM

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You can write data more than once to this device (1-3)

DVD+R

CD ROM

ROM

RAM

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true? (1-3)

ROM contains the operating system

RAM is part of the hard disk

RAM stores programs / data used by the CPU

ROM is volatile

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A gaming computer is “thrashing” the disk. Why? (5-7)

The processor is short of RAM

The game uses high resolution graphics

The screen uses too many colours

The game takes up too much space

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true? (1-3)

ROM is non volatile

RAM has a slow access time relative to other storage devices

RAM holds the BIOS

RAM can be Static (SRAM) or Dynamic (DRAM)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is firmware? (3-5)

A program in cache

Any hardware

Data in RAM

A program in ROM

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OCR GCSE Computer Science - J276 1.1 - 1.7

This is volatile storage (1-3)

This contains the BIOS (Boot-up program) (3-4)

You can write data more than once to this device (1-3)

Which statement is true? (1-3)

A gaming computer is “thrashing” the disk. Why? (5-7)

Which statement is true? (1-3)

What is firmware? (3-5)

What is the fastest data storage in a computer (6-9)

How does data/instructions move between the CPU and RAM?

What happens to RAM when the electricity is turned off?

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