Surprise Quiz on Digital Circuits

The chip by which both the operation of read and write is performed __________.

• RAM

• ROM

• PROM

• EPROM

How many storage locations are available when a memory device has twelve address lines?

• 144

• 2048

• 512

• 4096

Which of the following memories uses a MOSFET and a capacitor as its memory cell?

• SRAM

• DRAM

• ROM

• DROM

Which of the following best describes nonvolatile memory?

• RAM

• ROM

• PLA

• PLD

Memory that loses its contents when power is lost is:

• nonvolatile

• volatile

• random

• static

A nonvolatile type of memory that can be programmed and erased in sectors, rather than one byte at a time is:

• flash memory

• EPROM

• EEPROM

• MPROM

What is the main role of an ADC?

• Amplify

• Convert analog to digital

• Reduce noise

• Increase range

The process of converting a continuous analog signal to a discrete digital signal is called?

• Discretisation

• Sampling

• Preemphasis

• Reduction

What is the minimum rate at which an analog signal of frequency 600Hz is sampled?

• 6000Hz

• 60Hz

• 1200Hz

• 12000Hz

Dynamic range of ADC is depended on ______________.

• Resolution

• Jitter

• noise

• Peak frequency