Computer Memory Quiz

Which of the following is not an advantage of external memory compared to the main memory of a computer:

• Memory access speed is usually very high

• Large capacity

• Low cost

• Data is not lost when power is off

Given an SRAM memory chip with a capacity of 16K x 8bit, which of the following statements is correct?

• 1. There are 7 data lines 

• 1.  

  2. There are 14 address lines

• 2. Data lines range from D0 to D8

• 2. Address lines range from A0 to A14

Given a computer with a main memory capacity of 128MB, Cache memory capacity of 64KB, line size of 16 bytes, memory cell size of 1 byte, and set size of 4 lines. In the case of set associative mapping with address format Tag + Set + Word generated by the processor to access the Cache, the address format is:

• 1. 14+9+4 

• 14+10+5

• 13+9+5

• 13+10+4

In the exchange between Cache and main memory, which of the following statements is incorrect?

• 1. Main memory is divided into memory lines 

• 2. Main memory is divided into memory blocks

• 2. Cache is divided into memory lines

• 2. The size of a line is equal to the size of a block

With an SRAM memory chip having a 24-bit address bus and a 16-bit data bus, what is the maximum memory capacity it can manage?

• 1. 8 Megabytes 

• 1. 16 Megabytes 

• 32 Megabytes

• 64 Megabytes

In which type of memory is the BIOS program stored?

• Hard disk

• Cache

• RAM

• ROM

In the fully associative mapping technique, the address fields are:

• 1. Hard disk 

• 1. Cache 

• RAM

• ROM

What is the structure of an SRAM memory cell?

• 1. A flip-flop circuit consisting of three capacitors and two transistors

• 1. A charge circuit consisting of four capacitors and two transistors

• 1. A charge circuit consisting of two capacitors and three transistors

• 1. A flip-flop circuit consisting of six transistors

In modern computers, which of the following memory devices has the smallest access time?

• Cache

• ROM

• 1. Hard disk 

• RAM

Which of the following statements about ROM is correct:

• 1. EPROM can be erased using electricity

• 1. PROM is a type of ROM that can be erased and rewritten multiple times 

• 1. EPROM is a type of ROM that can be erased and rewritten multiple times 

• 1. PROM can be erased using electricity