3.3. Data storage
A subsection of Computer Science, 0478, through 3. Hardware
Listing 10 of 50 questions
Five storage devices or media are listed in the table. Tick () to show whether each storage device or media is an example of primary, secondary or off-line storage. Storage device or media Primary () Secondary () Off-line () External HDD RAM Internal SSD ROM DVD Users can store their data on optical storage media. Explain how data is written to optical storage media. A sports events company uses a digital camera attached to a drone (small flying system), to video their events from the sky. The video is stored as it is captured, on a device that is attached to the drone. Circle the most suitable type of storage to store the video. Optical Magnetic Solid state Explain the reasons for your choice in part .
0478_w18_qp_11
THEORY
2018
Paper 1, Variant 1
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A computer uses RAM and ROM to store data. The table contains three statements about RAM or ROM. Tick (✓) to show whether each statement describes RAM or ROM. Statement RAM (✓) ROM (✓) Stores the programs and data that are currently in use Used to boot up the computer when power is turned on Contents are retained when power is turned off Circle the storage category that includes both RAM and ROM. Primary Secondary Off-line Explain what is meant by off-line storage.
0478_w18_qp_12
THEORY
2018
Paper 1, Variant 2
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Alessandro has some important data stored on his computer. He is concerned about accidental damage to his data. Identify three ways that the data could be accidentally damaged. State what Alessandro could do to make sure that he can retrieve his data if it is accidentally damaged. Alessandro uses an SSD to store his data. Describe what is meant by an SSD and how it operates to store data. Alessandro also uses off-line storage to store his data. Three examples of off-line storage are Blu-ray, CD and DVD. Six statements are given about off-line storage. Tick (✓) to show if each statement applies to Blu-ray, CD, or DVD. Some statements apply to more than one example of off-line storage. Statement Blu-ray (✓) CD (✓) DVD (✓) A type of optical storage Has the largest storage capacity Can be dual layer Read using a red laser Has the smallest storage capacity Stores data in a spiral track
0478_w20_qp_12
THEORY
2020
Paper 1, Variant 2
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Storage and memory are important components of a computer system. Primary storage is one type of storage in a computer system. Tick (3) one box to show which is an example of primary storage. A compact disk (CD) B hard disk drive (HDD) C random access memory (RAM) D solid-state drive (SSD) Give one characteristic of primary storage. Virtual memory can be created in a computer system. Complete the description about virtual memory. Use the terms from the list. Some of the terms in the list will not be used. Some terms may be used more than once. binary hard disk drive (HDD) hexadecimal operating system pages random access memory (RAM) read only memory (ROM) sectors software tracks virtual memory Virtual memory is used when the is full. It is created by partitioning the . Data is divided into that can be sent from to the to be temporarily stored until they are required.
0478_w23_qp_12
THEORY
2023
Paper 1, Variant 2
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A computer has secondary storage. The table contains statements about secondary storage. Complete the table by writing the type of secondary storage that applies to each statement. Some types of secondary storage may apply to more than one statement. Type of secondary storage Statement data is stored using pits and lands data is stored using control gates and floating gates data is stored using electromagnets data is stored using a laser data is stored on a platter that is divided into tracks and sectors Explain two differences between primary storage and secondary storage.
0478_w23_qp_13
THEORY
2023
Paper 1, Variant 3
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Questions Discovered
50