alleryStart learning →A computer is switched off suddenly. Which memory loses its data?
- RAM
- ROM
- Hard disk
- DVD-ROM
Show answer and solution
Correct answer: A. RAM
RAM needs power to hold its contents, so everything in it vanishes at power cut.
Olympiad (Class 5) Computer Memory — practice questions
Explore 40 free Computer Memory questions in Olympiad (Class 5) Computer Science. Open each question or exercise to read its content, reference answers and available explanation.
Practise Computer Memory with Quill →Computer Memory questions and exercises with answers
Showing questions 1–30 of 40.
A computer is switched off suddenly. Which memory loses its data?Read the answer and worked solution →Which name means the same as primary memory?Read the answer and worked solution →Which non-volatile memory holds the small program that starts a computer?Read the answer and worked solution →Which is the fastest form of data storage in a computer?Read the answer and worked solution →Compared with main memory, processor cache isRead the answer and worked solution →In which unit is the access time per byte of primary storage measured?Read the answer and worked solution →Which storage uses a robotic arm to mount and remove tapes or discs?Read the answer and worked solution →Tertiary storage is mainly used forRead the answer and worked solution →A pen drive is unplugged and carried to another computer. This isRead the answer and worked solution →Unlike tertiary storage, offline storage needs what to be used again?Read the answer and worked solution →Which drive reads data by shining a laser on a disc and watching the reflection?Read the answer and worked solution →Magnetic tape is used for which kinds of storage?Read the answer and worked solution →Which disc can be recorded on just one time?Read the answer and worked solution →A solid-state drive has no spinning disc. It stores data inRead the answer and worked solution →Which memory needs regular refresh cycles to avoid losing its contents?Read the answer and worked solution →Which memory type is used for CPU cache?Read the answer and worked solution →DRAM uses one transistor and one capacitor per bit. This makes itRead the answer and worked solution →How many transistors does SRAM commonly use to store one bit?Read the answer and worked solution →When RAM is nearly full, the least-used pages are moved toRead the answer and worked solution →Virtual memory lets a computer useRead the answer and worked solution →Until the 1970s, which technology was dominant for main memory?Read the answer and worked solution →Which path carries the memory address the CPU wants to reach?Read the answer and worked solution →How does the CPU get data kept on a hard disk?Read the answer and worked solution →What does a file system do on a storage disk?Read the answer and worked solution →Which is NOT a building block of multimedia?Read the answer and worked solution →A learning app mixes text, sound and video and reacts to taps. It isRead the answer and worked solution →Watching a film in a cinema with no control over its flow isRead the answer and worked solution →Which kind of multimedia lets the user steer progress, like a video game?Read the answer and worked solution →Which of these is called a multimedia device?Read the answer and worked solution →Much multimedia today reaches users from the web byRead the answer and worked solution →
Worked practice questions
Which name means the same as primary memory?
- Auxiliary storage
- Offline storage
- External memory
- Main memory
Show answer and solution
Correct answer: D. Main memory
Primary memory is also called main memory or internal memory.
Which non-volatile memory holds the small program that starts a computer?
- ROM
- Hard disk
- RAM
- Cache
Show answer and solution
Correct answer: A. ROM
A small startup program in ROM boots the machine, because ROM keeps its contents with no power.
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