Computer Knowledge
Computer Memory and Storage
2,477 Questions
Computer memory and storage questions test foundational knowledge of hardware, cache mapping, and data transfer mechanisms. Key areas include Direct Memory Access, analog recording, and RAID levels. This section is essential for candidates preparing for banking and government computer proficiency tests.
Cache memory mappingDirect memory accessRAID storage levelsHard disk technologyOptical media storageMemory addresses
Computer Memory and Storage Questions
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Secure Virtual Memory
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Secure VM Machine
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Secure Virtual Machine
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Security Verifying Machine
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Digital In-Line Multimedia Module
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Dual In-Line Memory Module
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Digital In-Line Memory Module
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Dual In-Line Multimedia Module
B
Correct answer
Explanation
DIMM stands for Dual In-Line Memory Module. It is a series of dynamic random-access memory integrated circuits.
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Write Only Read Multiple
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Write Once Read Multiple
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Write Once Read Many
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Write Only Read Memory
C
Correct answer
Explanation
WORM stands for Write Once Read Many. It is a data storage technology that allows information to be written to a storage medium a single time and prevents the data from being erased or modified.
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Master Boot Record
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Master Build Record
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Multimedia Build Record
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Multimedia Boot Record
A
Correct answer
Explanation
MBR stands for Master Boot Record. It is a special type of boot sector at the very beginning of partitioned computer mass storage devices.
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Secure Digital
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Security Display
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Standard Display
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Security Definition
A
Correct answer
Explanation
SD stands for Secure Digital. It is a proprietary non-volatile memory card format developed by the SD Association for use in portable devices.
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Error-Correcting CPU Memory
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Equipment-Correcting Code Memory
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Equivalent-Correcting Code Memory
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Error-Correcting Code Memory
D
Correct answer
Explanation
ECC stands for Error-Correcting Code, a type of computer data storage that can detect and correct the most common kinds of internal data corruption.
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Mean Time Before Failure
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Mean Time Between Files
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Multiple Time Between Failure
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Mean Time Between Failure
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All the time
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Every now and again
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Once an hour
A
Correct answer
Explanation
In search engines, the storing process happens continuously as spiders discover and index new pages. This ensures the search index stays current with web changes.
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Internal Servers
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External Servers
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External Drives
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Internal Drives
B
Correct answer
Explanation
Cloud computing involves storing and accessing data over the internet instead of on a local hard drive. This data is stored on external servers managed by cloud providers.
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Not For Sale
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Network File Service
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Non Fabric Service
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Network File System
D
Correct answer
Explanation
NFS stands for Network File System, a distributed file system protocol allowing a user on a client computer to access files over a network.
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Nice-Volatile Random Access Memory
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Non-Volatile Random Access Memory
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No-Version Random Access Memory
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Non-Virtual Random Access Memory
B
Correct answer
Explanation
NVRAM stands for Non-Volatile Random Access Memory, which is memory that retains its stored information even after power is removed.
A
Correct answer
Explanation
PXE (Preboot eXecution Environment) is a standard protocol that allows a computer to boot from a network interface rather than a local storage device.
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solid state storage
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Secondary storage
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contents written at manufacture and cannot be altered later
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RAM and ROM are examples
A
Correct answer
Explanation
Solid state storage uses electronic circuits with no moving parts to read and store data. This makes it faster and more durable than magnetic or optical storage media.
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optical storage
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Primary storage
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Secondary storage
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solid state storage
A
Correct answer
Explanation
Optical storage devices, such as CDs, DVDs, and Blu-ray discs, use laser beams to read and write data on the reflective surface of the disc. This distinguishes them from magnetic and solid-state storage.
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Storage unit: 1024 gigabytes
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Storage unit: 1024 megabytes.
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Storage unit: 1024 petabytes
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Storage unit: 1024 exabytes
A
Correct answer
Explanation
In standard binary computing measurements, 1 Terabyte (TB) is equal to 1024 Gigabytes (GB). Each step up in the standard storage hierarchy (KB, MB, GB, TB, PB) is a factor of 1024.