Question 1

-What is the significance of the inverted triangles on the outputs of the device in Figure 11- 4?

Accepted Answer

A)  They represent buffers and mean that the outputs can drive 40 TTL loads, instead of the normal 10. 
B)  It means that the outputs will only be active if a change has occurred at that memory location since the last read/write cycle. 
C)  They represent inverters and mean that the outputs are active- LOW. 
D)  The IC has tri- state outputs. 
A)  They represent buffers and mean that the outputs can drive 40 TTL loads, instead of the normal 10. 
B)  It means that the outputs will only be active if a change has occurred at that memory location since the last read/write cycle. 
C)  They represent inverters and mean that the outputs are active- LOW. 
D)  The IC has tri- state outputs. D

Question 2

The checksum method is used to test _________.

Accepted Answer

A)  FPLA 
B)  RAM 
C)  ROM 
D)  EEPROM 
A)  FPLA 
B)  RAM 
C)  ROM 
D)  EEPROM C

Question 3

ROM access time is defined as ________.

Accepted Answer

A)  being the difference between the READ and WRITE times 
B)  how long it takes to program the ROM chip 
C)  the time required to activate the address lines after the ENABLE line is at a valid level 
D)  the time it takes to get valid output data after a valid address is applied 
A)  being the difference between the READ and WRITE times 
B)  how long it takes to program the ROM chip 
C)  the time required to activate the address lines after the ENABLE line is at a valid level 
D)  the time it takes to get valid output data after a valid address is applied D

Question 4

-The block identified as A in Figure 11- 1 is the _________.

Accepted Answer

A)  addresser 
B)  controller 
C)  clock 
D)  memory 
A)  addresser 
B)  controller 
C)  clock 
D)  memory

Question 5

DIMMS generally contain DDR SDRAM memory chips.

Accepted Answer

A) True 
 B)False

Question 6

-What memory location is being addressed in Figure 11- 3?

Accepted Answer

A)  249 
B)  5 
C)  10111 
D)  157 
A)  249 
B)  5 
C)  10111 
D)  157

Question 7

Fusible link PROMs are programmed removing the desired fuse links using a highly focused beam of light.

Accepted Answer

A) True 
 B)False

Question 8

RAMs must have a ?   input, in addition to one or more DATA inputs.

Accepted Answer

A) True 
 B)False

Question 9

A FIFO _________.

Accepted Answer

A)  allows data to be clocked in and out at different clock rates 
B)  can be used to smooth out bursts of data into a continuous stream 
C)  outputs data in the same order that it was input 
D)  all of the above 
A)  allows data to be clocked in and out at different clock rates 
B)  can be used to smooth out bursts of data into a continuous stream 
C)  outputs data in the same order that it was input 
D)  all of the above

Question 10

-What are the values of A, B, C and D in Figure 11- 2?

Accepted Answer

A)  0 1 1 1 
B)  0 1 0 0 
C)  0 0 1 0 
D)  0 1 1 0 
A)  0 1 1 1 
B)  0 1 0 0 
C)  0 0 1 0 
D)  0 1 1 0

Question 11

A DIMM ________.

Accepted Answer

A)  has contact pins on both sides of the module for larger data paths 
B)  is available in 30- pin or 72- pin packages 
C)  has less memory than the newer SIMM modules 
D)  has contact pins on only one side of the module 
A)  has contact pins on both sides of the module for larger data paths 
B)  is available in 30- pin or 72- pin packages 
C)  has less memory than the newer SIMM modules 
D)  has contact pins on only one side of the module

Question 12

RAM stands for Readily Accessible Memory.

Accepted Answer

A) True 
 B)False

Question 13

A flash drive obtains power from the computer to which it is attached.

Accepted Answer

A) True 
 B)False

Question 14

Each memory cell can store one byte of information.

Accepted Answer

A) True 
 B)False

Question 15

-Refer to Figure 11- 2. The Binary- to- Gray converter is not working correctly. How could it be checked?

Accepted Answer

A)  Reverse the operation of the converter by applying the Gray code to the G terminals and check for proper output on the B terminals. 
B)  Measure the inputs and outputs with an ohmmeter to see if any of them are shorted. 
C)  Step the inputs through their full range and check the outputs with a multi- channel scope or logic analyzer. 
D)  Any of the above methods could be tried, depending on the particular type of ROM being used. 
A)  Reverse the operation of the converter by applying the Gray code to the G terminals and check for proper output on the B terminals. 
B)  Measure the inputs and outputs with an ohmmeter to see if any of them are shorted. 
C)  Step the inputs through their full range and check the outputs with a multi- channel scope or logic analyzer. 
D)  Any of the above methods could be tried, depending on the particular type of ROM being used.

Question 16

Main computer memory is usually DRAM because of high density and low cost while cache memory is usually SRAM because of high speed.

Accepted Answer

A) True 
 B)False

Question 17

The term "cloud storage" refers to a specific type of memory within your computer or pad.

Accepted Answer

A) True 
 B)False

Question 18

Due to their ability to be easily erased and reused, magnetic memory devices are widely used for RAM.

Accepted Answer

A) True 
 B)False

Question 19

How can UV- erasable PROMs be recognized?

Accepted Answer

A)  They will have a small violet dot next to the l pin. 
B)  By a small window on the chip 
C)  They can be identified by the fact that their part number always starts with a "U", such as in U12. 
D)  They are not readily identifiable, since they must always be kept under a small cover. 
A)  They will have a small violet dot next to the l pin. 
B)  By a small window on the chip 
C)  They can be identified by the fact that their part number always starts with a "U", such as in U12. 
D)  They are not readily identifiable, since they must always be kept under a small cover.

Question 20

Referring to a DDR SDRAM, DDR stands for Dual Data Retrieval.

Accepted Answer

A) True 
 B)False

-What is the significance of the inverted triangles on the outputs of the device in Figure 11- 4?

The checksum method is used to test _________.

ROM access time is defined as ________.

-The block identified as A in Figure 11- 1 is the _________.

DIMMS generally contain DDR SDRAM memory chips.

-What memory location is being addressed in Figure 11- 3?

Fusible link PROMs are programmed removing the desired fuse links using a highly focused beam of light.

RAMs must have a ? input, in addition to one or more DATA inputs.

A FIFO _________.

-What are the values of A, B, C and D in Figure 11- 2?

A DIMM ________.

RAM stands for Readily Accessible Memory.

A flash drive obtains power from the computer to which it is attached.

Each memory cell can store one byte of information.

-Refer to Figure 11- 2. The Binary- to- Gray converter is not working correctly. How could it be checked?

Main computer memory is usually DRAM because of high density and low cost while cache memory is usually SRAM because of high speed.

The term "cloud storage" refers to a specific type of memory within your computer or pad.

Due to their ability to be easily erased and reused, magnetic memory devices are widely used for RAM.

How can UV- erasable PROMs be recognized?

Referring to a DDR SDRAM, DDR stands for Dual Data Retrieval.

Introductory Concepts

Number Systems, Operations, and Codes

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Signal Conversion and Processing

Data Transmission

Data Processing and Control

Integrated Circuit Technologies

Filters

Exam 11: Data Storage

-What is the significance of the inverted triangles on the outputs of the device in Figure 11- 4?

The checksum method is used to test _________.

ROM access time is defined as ________.

-The block identified as A in Figure 11- 1 is the _________.

DIMMS generally contain DDR SDRAM memory chips.

-What memory location is being addressed in Figure 11- 3?

Fusible link PROMs are programmed removing the desired fuse links using a highly focused beam of light.

RAMs must have a ? input, in addition to one or more DATA inputs.

A FIFO _________.

-What are the values of A, B, C and D in Figure 11- 2?

A DIMM ________.

RAM stands for Readily Accessible Memory.

A flash drive obtains power from the computer to which it is attached.

Each memory cell can store one byte of information.

-Refer to Figure 11- 2. The Binary- to- Gray converter is not working correctly. How could it be checked?

Main computer memory is usually DRAM because of high density and low cost while cache memory is usually SRAM because of high speed.

The term "cloud storage" refers to a specific type of memory within your computer or pad.

Due to their ability to be easily erased and reused, magnetic memory devices are widely used for RAM.

How can UV- erasable PROMs be recognized?

Referring to a DDR SDRAM, DDR stands for Dual Data Retrieval.

Introductory Concepts

Number Systems, Operations, and Codes

Logic Gates

Boolean Algebra and Logic Simplification

Combinational Logic Analysis

Functions of Combinational Logic

Latches, Flip-Flops, and Timers

Shift Registers

Counters

Programmable Logic

Signal Conversion and Processing

Data Transmission

Data Processing and Control

Integrated Circuit Technologies

Filters