Computer memory refers to the storage space in a computer that is used to store data temporarily or permanently. There are several types of computer memory, each with its own unique characteristics.
The main types of computer memory are:
Random Access Memory (RAM): RAM is a type of volatile memory that is used to store data that is being actively used or processed by the computer. When the computer is turned off, the data stored in RAM is lost.
Read-Only Memory (ROM): ROM is a type of non-volatile memory that is used to store data that is not meant to be changed, such as the computer’s BIOS or operating system. This data is permanently stored in ROM and is not lost when the computer is turned off.
Cache memory: Cache memory is a type of high-speed memory that is used to store frequently accessed data. This helps to speed up the performance of the computer by reducing the need to access the slower main memory or hard drive.
Hard drive: A hard drive is a type of non-volatile storage that is used to store data permanently. Hard drives come in various sizes and are used to store everything from the operating system and software programs to documents, photos, and other files.
In addition to these types of memory, there are also various other types of storage that can be used in computers, such as solid-state drives, optical drives, and cloud storage.
It is important for a computer to have enough memory to run efficiently. If a computer does not have enough memory, it may run slowly or crash. To improve the performance of a computer, it is often necessary to add more memory or upgrade to a faster type of memory.
Mcqs on Computer Memory
Q1. Which of the following is not a primary memory?
A) RAM
B) ROM
C) Optical memory
D) Cache
Q2. Which of the following is not a secondary memory?
A) Magnetic memory
B) Pen drive
C) Flash memory
D) ROM
Q3. Which memory is an example of semiconductor memory and is a volatile memory?
A) RAM
B) ROM
C) Cache
D) Flash memory
Q4. SRAM (static RAM) is a type of RAM and is made of?
A) Capacitors
B) Transistors
C) Flip Flops
D) None of the above
Q5. Which memory is permanent and is used for storing the BIOS Instruction at the time of manufacturing to start the computer?
A) RAM
B) ROM
C) Cache
D) All of the above
Q6. Which memory is non- volatile and may be written only once
A) RAM
B) EPROM
C) EEPROM
D) PROM
Q7. Loading operating system onto RAM is called
A) Printing
B) Saving
C) Booting
D) Starting
Q8. Which of the following memory is used for reduce the average access time of CPU by provide the rapid access data or frequently used data by the user
A) Niche
B) cellar
C) web space
D) Cache
Q9. One nibble is equal to how many bits?
A) 4 bits
B) 8 bits
C) 12 bits
D) 16 bits
Q10. Hard disk files are considered which storage
A) Flash
B) Permanent
C) Non- permanent
D) Temporary
Q11. The most advanced form of ROM is?
A) Cache memory
B) PROM
C) EEPROM
D) RAM
Q12. A Register is
A) Set of paper tapes and cards put in a file
B) Set of capacitor used to register input instructions in a digital computer
C) Temporary storage unit within the CPU having dedicated or general purpose use
D) Part of the auxiliary memory
Q13. Virtual memory is typically located
A) On the hard drive
B) In the CPU
C) In a flash card
D) On a floppy disk
Q14. Which of the following memories are slow and needs refresh
A) SRAM
B) DRAM
C) ROM
D) None of the above
Q15. Which storage device is mounted on reels
A) Floppy disk
B) Magnetic disk
C) Hard disk
D) CD-ROM
Q16. Pen drive and memory card are considered ________ storage
A) Flash memory
B) Volatile
C) Temporary
D) Non- permanent
Q17. Which of the following memories has the shortest access time?
A) Cache memory
B) Magnetic bubble memory
C) Magnetic core memory
D) None of the above
Q18. The clock rate of A processor is measured in
A) Milli seconds
B) Microhertz
C) Megabytes or giga bytes
D) Megahertz Or Gigahertz
E) Nano second
Q19. Which of the following is the process of dividing the disk into tracks and sectors
A) Formatting
B) Tracking
C) Allotting
D) None of the above
Q20. Which of the following portable storage devices is likely to have the least storage capacity?
A) Zip disk
B) Floppy disk
C) CD
D) DVD
Q21. Which memory uses a capacitor in its memory cell?
A) SRAM
B) ROM
C) PROM
D) DRAM
Q22. Which is faster memory
A) Cache
B) RAM
C) virtual
D) Register
Q23. Accumulator is a ______ that store intermediate result
A) Hard wire unit
B) Register
C) Sequential circuit
D) Finite set machine
Q24. What is the full form of CD-R?
A) Carried Disk Readable
B) Compact Disk Recordable
C) Carried Data Recordable
D) Compact Disk Readable
Q25. Semiconductor memory is
A) RAM.
B) Hard disk
C) Optical Disk
D) All of the above
What is computer memory?
Computer memory is a type of storage that is used to store data temporarily or permanently. It is an essential component of a computer and allows the computer to access and process information.
What are the different types of computer memory?
There are several types of computer memory, including Random Access Memory (RAM), Read-Only Memory (ROM), cache memory, and hard drives. Each type of memory has its own unique characteristics and is used for different purposes.
How does computer memory work?
Computer memory stores data in the form of bits, which are tiny electrical charges that can be either “on” or “off.” The bits are organized into larger units called bytes, which can store a single character of information (such as a letter or number). When a computer needs to access data, it retrieves the data from memory and processes it.
How can I improve the performance of my computer’s memory?
There are several ways to improve the performance of your computer’s memory, including adding more memory, upgrading to a faster type of memory, and optimizing your computer’s memory usage. You can also try closing unnecessary programs and disabling unused features to free up memory.
What is the difference between RAM and ROM?
RAM (Random Access Memory) is a type of volatile memory that is used to store data that is being actively used or processed by the computer. When the computer is turned off, the data stored in RAM is lost. ROM (Read-Only Memory) is a type of non-volatile memory that is used to store data that is not meant to be changed, such as the computer’s BIOS or operating system. This data is permanently stored in ROM and is not lost when the computer is turned off.