How can you measure the speed of RAM?
1. Capacity
2.Bus width
3.Bus speed
4.Both b and c
In which storage medium, we can store the maximum amount of data
1. Magnetic storage
2.Optical storage
3.Solid data storage
4.Storage capacity
The advantages of using secondary memory storage in a personal computer are
1.very high storage capacity
2.permanent storage (non-volatile)
3.stores data that are not currently being used by CPU
4.All of these
The process of dividing the disk into tracks and sectors is called
1.Tracking
2.Crashing
3.Dicing
4.Formatting
The technique that extends storage capacities of the main memory beyond the actual size of the main memory is known as
1.multitasking
2.multiprocessing
3.virtual storage
4.multiprogramming
Virtual memory is an
1.extremely large memory
2.extremely large secondary memory
3.illusion of an extremely large memory
4. a type of memory used in supercomputers
Which of the following memories has the fastest (or shortest) access time?
1.RAM
2.ROM
3.Cache memory
4.Magnetic core memory
Which of the following statement is false about dynamic RAM?
1.DRAM needs a continuously refreshed memory to store data.
2.It is slower than SRAM.
3.It is more expensive than SRAM
4.All are correct.
Cache loses its information when the power is off. This is because cache memory is
1.Dynamic in nature
2. Static in nature
3.Volatile in nature
4. Non-volatile in nature
EPROM is generally erased by
1. infrared rays
2.ultraviolet rays
3.Electromagnetic signal
4.12V electrical pulse
EPROM is used for
1.erasing the data of ROM
2.reconstructing data of ROM
3.duplicating ROM
4.erasing and reconstructing data of ROM
Hard disk can be formatted at the time of Hard disk can be formatted at the time of
1.RAM
2.Booting
3.disk reader
4.None of these
Higher the RAM of computer, the faster its processing speed. Since it eliminates
1.need for external memory
2.need for ROM
3.need for cache memory
4.All of these
How many types of RAM are available?
1.4
2.3
3.2
4.5
In which of the following transistor and capacitor is used?
1.SRAM
2.DRAM
3.SDRAM
4.Both b and c
In which type of memory, once the program or data is written, it cannot be changed?
1.EPROM
2.PROM
3.EEPROM
4.None of these
In which type of ROM, data can be erased by ultraviolet light and then reprogrammed by the user or manufacturer?
1.PROM
2.EPROM
3.EEPROM
4.Both a and b
Main memory (also called primary memory) store(s)
1.Data alone
2.Program alone
3.Results alone
4.All
Primary storage is . . . . . . . as compared to secondary storage.
1.Slow and inexpensive
2.Fast and inexpensive
3.Fast and expensive
4.Slow and expensive
RAM is volatile in nature because
1.it can be used for both reading and writing operations.
2.by which we can access from any location.
3.it must need power supply continuously to retain data.
4.it does not need power supply continuously.
RAM is _ _ _ _ _ _ and _ _ _ _ _.
1.volatile, temporary
2.non-volatile, temporary
3.volatile, permanent
4.non-volatile, permanent
SDRAM stands for
1. Static DRAM
2.Synchronous DRAM
3.Super DRAM
4. Semi DRAM
Storage that stores or retains data/information permanently after power off is called
1.Volatile storage
2.Non-volatile storage
3.Sequential storage
4.Both a and b
The Boot sector files of the system are stored in which computer memory?
1.RAM
2.ROM
3.Cache
4.Register
The computer internal memory consists of
1.Cache memory, registers
2.CPU registers, main memory, cache memory
3.Main memory, secondary memory
4.Virtual memory, cache memory
The key feature of dynamic RAM is
1. it is less expensive and cheaper than static RAM
2. it is faster than SRAM
3. it is bigger in size than SRAM
4.it requires less power than static RAM
The main memory of a personal computer can also be called
1.Primary storage
2.Internal memory
3.Primary memory
4.All of these
The memory that cannot be accessed directly by processor (CPU) is
1.internal memory
2.external memory
3.cache memory
4.system memory
The primary memory (also called main memory) of a personal computer consists of
1.RAM only
2.ROM only
3.both RAM and ROM
4.Cache memory
The smallest unit of measuring data in the computer is
1.Byte
2.Kilobyte
3.Nibble
4.Bit
USB stands for
1.Uniform service bus
2.Universal serial bus
3.Universal serial buffer
4.Universal sector bus
What happens when RAM is full in the computer?
1.Cache memory is used
2.The volatile memory is used
3. An interrupt is raised
4.Hard disk is used
What is the full form of RAM?
1. Read Access Memory
2. Random Access Memory
3.Readable Access Memory
4.Random Accumulator Memory
What is the full form of ROM?
1.Read-Only Memory
2.Random Only Memory
3.Register Only Memory
4.Readable Only Memory
What is the size of the computer accumulator register?
1.4 bit
2.4KB
3.4 bytes
4.8 bytes
Which computer memory chip allows simultaneous both read and write operations?
1.ROM
2.RAM
3.PROM
4.EEPROM
Which memory acts as a buffer between CPU and main memory?
1.RAM
2.ROM
3.Cache
4.Storage
Which of the following can be used as main memory?
1.Compact disk
2.Magnetic disk
3.Hard disk
4.None of these
Which of the following chips stores the basic input-output system (BIOS)?
1.RAM
2.ROM
3.PROM
4.None of these
Which of the following has the fastest speed in the computer memory hierarchy?
1.Cache
2.Register in CPU
3.Main memory
4.Disk cache
Which of the following is an example of solid-state storage device?
1.Hard Drive
2.CD
3.DVD
4.USB Flash Drive
Which of the following is an example of volatile memory?
1.Hard Driver
2.RAM
3.PROM
4.Floppy Disk
Which of the following is “built-in memory†in the computer?
1.RAM
2.ROM
3.LSI
4.VLSI
Which of the following is not RAM?
1.SRAM
2.DRAM
3.WRAM and VRAM
4.PRAM
Which of the following is primary memory (or main memory)?
1.RAM
2.ROM
3.Secondary memory (also called auxiliary memory)
4.Both a and b
Which of the following is the feature of SRAM?
1.It is faster than DRAM
2.It is bigger in size and more expensive than DRAM
3.it requires less power consumption
4.)All of these
Which of the following is the lowest in the computer memory hierarchy?
1.Cache
2.RAM
3.Secondary memory
4.CPU registers
Which of the following is the smallest entity of memory?
1.Block
2.Cell
3.Instance
4.Set
Which of the following is used to transfer data between the processor (CPU) and memory?
1.Cache
2.TLB
3.Buffer
4.Registers
Which of the following is/are examples of non-volatile storage?
1. Magnetic disks
2.USB flash drive and Memory card
3.Hard Drive
4.All
Which of the following memories needs refresh to store information?
1.Cache
2.SRAM
3.DRAM
4.All of these
Which of the following memory is non-volatile?
1.RAM
2.ROM
3.Cache
4.ROM and Cache
Which of the following memory storage is slow?
1.Magnetic disc
2.RAM
3.Hard disk
4.Optical disk
Which of the following memory uses flip flop component?
1.DRAM
2.SRAM
3.ROM
4.SDRAM
Which of the following statement is true about secondary memory (auxiliary memory)?
1.Secondary memory is non-volatile in nature that is slower than primary memories.
2.It is also known as backup memory.
3.Data is permanently stored even if power is switched off.
4.All are correct
Which of the following statement is/are true about static RAM?
1.In static RAM, data is stored in flip flop.
2.It does not need to be refreshed periodically
3.It is faster than dynamic RAM.
4.All of these are true.
Which of the following statements are not correct about cache memory?
1.Cache memory is used to store data temporarily.
2. It holds that data and program which has to be executed within a short period of time.
3.It consumes less access time as compared to the RAM.
4.All are correct.
Which of the following statements are not correct about the main memory of a computer?
1.In main memory, data gets lost when power is switched off.
2. Main memory is faster than secondary memory but slower than registers.
3.They are made up of semiconductors.
4.All are correct
Which process is used to map logical addresses of variable length onto physical memory?
1.Paging
2.Overlays
3.Segmentation
4.Paging with segmentation
Which type of RAM can be used as cache memory?
1.SRAM
2.DRAM
3.SDRAM
4.Both a and b
Which type of ROM is used for erasing purposes only?
1.PROM
2.EPROM
3.EEPROM
4.Both b and c
Why do we use cache memory between CPU and main memory?
1.to increase the internal memory of computer system
2.to reduce the memory access and cycle time
3. to store data and programs that can be executed within a short period of time
4.both a and d