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07 - Final Test

 1. Memory can be divided into two types: Real memory and Virtual Memory

  TRUE

  FALSE

 2. Main memory is any memory that is….

  permanent and stored in a flash capacitor (e.g. USB stick)

  directly accessed by the CPU (e.g. RAM)

  non-volatile and permanently stores data (e.g. Hard disk)

  None of the above

 3. From your knowledge of computer memory, which type of memory is required to be refreshed several times?

  static RAM

  ROM

  dynamic RAM

  the Hard drive

 4. RAM stands for Random Accumulator Memory

  TRUE

  FALSE

 5. Which of the following is a temporary primary memory?

  ROM

  Hard drive

  RAM

  Memory Thrasher

 6. 1KB = 1024 bytes

  FALSE

  TRUE

 7. A name or number used to identify a storage location device is ….

  record

  byte

  address

  memory cell

 8. Which of the following is a primary storage device?

  Magnetic Disk

  Hard Disk

  None of the above

  Optical Disk (CD)

 9. Two kinds of main memory are:

  None of the above

  Random and Sequential storage

  Primary and secondary storage

  RAM and ROM

 10. Compact Disk Read and Write Only Memory

  FALSE

  TRUE

 11. Select the smallest memory size

  kilobyte

  terabyte

  megabyte

  gigabyte

 12. The memory (fast) that provides access to the processor is the printer memory

  FALSE

  TRUE

 13. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is…

  memory

  accumulator

  buffer

  address

 14. Instructions and memory address are represented by

  None of the above

  character codes

  binary codes

  parity bits

 15. Virtual memory is a type of memory used in super computers

  FALSE

  TRUE

 16. Fragmentation is dividing the secondary memory into equal sized fragments

  FALSE

  TRUE

 17. The Bootstrap loader is always stored in the ROM (Read only memory)

  TRUE

  FALSE

 18. Both DRAM (Dynamic Random Access Memory) and SRAM (Static Random Access Memory) are types of Random Access Memory (RAM)

  TRUE

  FALSE

 19. SRAM does _________ as the transistors inside would continue to hold the data as long as the power supply is not cut off.

  not need to be refreshed

  None of the above

  need to be refreshed

  require replacing every few months

 20. One of the advantages of SRAM is the faster speed that data can be written and read.

  FALSE

  TRUE

 21. The additional circuitry and timing needed to introduce the 'refresh' creates some complications that makes DRAM memory ____________

  faster and more desirable than SRAM

  exactly equivalent to SRAM in speed

  None of the above

  slower and less desirable than SRAM

 22. Typically speaking, SRAM modules are also much _____ compared to DRAM, which makes it easier for most people to create an interface to access the memory

  more hard wearing (durable and lasting)

  fancy (and pretty to look at)

  more complicated

  more simple

 23. The most prominent use of SRAM is in the _________ of processors where speed is very essential, and the low power consumption translates to less heat that needs to be dissipated

  cache memory

  secondary storage memory

  hard disk memory

  main memory

 24. Ultimately, cost is a factor in everything. Generally speaking, SRAM is more expensive than DRAM
Cheaper DRAM is used in main memory while SRAM is commonly used in cache memory

  TRUE

  FALSE

 25. The two main types of flash memory are named after the NAND and NOR logic gates.
The individual flash memory cells exhibit internal characteristics similar to those of the corresponding gates.

  TRUE

  FALSE

 26. Example applications of both types of flash memory include:

  digital audio players

  digital cameras

  personal computers

  All of the above

 27. flash memory is _______ and offers fast read access times, although not as fast as static RAM or ROM

  volatile

  non volatile

  stored in the BIOS

  ROM like

 28. __________ is a section of volatile memory created temporarily on the storage drive. It is created when a computer is running many processes at once and RAM is running low.

  ROM

  Virtual memory

  Hard Drive Register Memory

  Cache Memory

 29. Latency is _________ when the computer needs to use virtual memory.

  decreased

  exterminated

  increased

  deposed

 30. ___________ is the process the OS uses to move data between RAM and virtual memory.

  Compiling (also called Comping)

  Coding (also called programming)

  Swapping (also called paging)

  Translating (also called bypassing)

 31. Using virtual memory _______________ because copying to a hard disk takes much longer than reading and writing RAM.

  speeds the computer up

  slows the RAM itself down and erodes it

  slows the computer down

  None of the above

 32. ROM contains the BIOS which is the ________ for the motherboard.

  software

  firmware

  hardware

  motherware

 33. The BIOS contains the ___________ – the program which takes the computer through steps that lead up to the loading of the operating system (OS)

  hardchip

  boostrap

  firmware

  motherware

 34. The computer's initial start up sequence or process is called the boot sequence (stored in ROM)

  FALSE

  TRUE

 35. There are two types of ROM - PROM and EEPROM. EEPROM is popular in:

  simple calculators or devices that are not in use anymore

  main frame machines which were in use in the early 1900s

  PCs and smartphones as the firmware can be easily updated by the manufacturer.

  None of the above

 36. L2 and L3 caches are bigger than L1. They are extra caches built between the CPU and the RAM

  FALSE

  TRUE

 37. L1 is usually________________ itself and is both the smallest and the fastest to access. Its size is often restricted to between 8 KB and 64 KB.

  not used in modern machines

   part of the CPU chip

  All of the above

  used only in mainframe and super large computers

 38. The following excerpt is describing the disadvantage of:
It relies on relatively slower secondary storage to store some contents of RAM leading to a temporary drop in performance. Hard drives have slower read/write speeds than RAM

  Virtual Memory

  RAM

  Flash memory

  Cache Memory

 39. Suggest a solution that reduces the need for virtual memory

  reduce the number of open applications currently running

  All of the above

  increase the amount of physical RAM

  close files/software running, disable background processes that are not necessary

 40. The following excerpt is describing:
means that the contents cannot be changed, permanent store of instructions/data, non-volatile the contents are retained after the power is removed or on reboot, may contain the BIOS for the computer or other hardware

  ROM

  None of the above

  RAM

  Hard Disk Memory

 41. ________memory is a small amount of very fast memory that is built into the CPU. It acts like a buffer (a temporary store) between the CPU and RAM

  RAM

  Cache

  Virtual

  Flash memory

 42. Which of the following is an example of flash memory in use:

  All of the above

  Certain USB memory sticks.

  Mini and Micro SD cards in Smartphones

  Compact Flash and Secure Digital (SD) memory cards in digital cameras.

 43. Flash memory combines the permanence of ROM with the flexibility of RAM, but not the speed

  TRUE

  FALSE

 44. Registers and internal cache are NOT considered main memory as they actually reside within the CPU.

  FALSE

  TRUE

 45. When the CPU needs to use programs or data from the hard disk, they are first:

  loaded into the BIOS in the ROM and then accessed from there

  loaded into main memory and then are accessed from there

  loaded into the CACHE memory and then loaded back into the Hard disk to be processed

  loaded directly into the CPU (onto the arithmetic logic unit) and the CACHE processes the instructions from there (one at a time)