Deck 1: Digital Circuit Design and RTL Implementation

Question 1

Any signed negative binary number is recognised by its                  

A)msb
B)lsb
C)byte
D)nibble

Answer 1

msb

Question 2

The parameter through which 16 distinct values can be represented is known as

A)bit
B)byte
C)word
D)nibble

Answer 2

word

Question 3

The representation of octal number (532.2)8 in decimal is                  

A)(346.25)10
B)(532.864)10
C)(340.67)10
D)(531.668)10

Answer 3

(346.25)10

Question 4

The decimal equivalent of the binary number (1011.011)2 is                  

A)(11.375)10
B)(10.123)10
C)(11.175)10
D)(9.23)10

Question 5

An important drawback of binary system is                  

A)it requires very large string of 1's and 0's to represent a decimal number
B)it requires sparingly small string of 1's and 0's to represent a decimal number
C)it requires large string of 1's and small string of 0's to represent a decimal number
D)it requires small string of 1's and large string of 0's to represent a decimal number

Question 6

The decimal equivalent of the octal number (645)8 is              

A)(450)10
B)(451)10
C)(421)10
D)(501)10

Question 7

The largest two digit hexadecimal number is                  

A)(fe)16
B)(fd)16
C)(ff)16
D)(ef)16

Question 8

Representation of hexadecimal number (6DE)H in decimal:

A)6 * 162 + 13 * 161 + 14 * 160
B)6 * 162 + 12 * 161 + 13 * 160
C)6 * 162 + 11 * 161 + 14 * 160
D)6 * 162 + 14 * 161 + 15 * 160

Question 9

The quantity of double word is                  

A)16 bits
B)32 bits
C)4 bits
D)8 bits

Question 10

What does RTL in digital circuit design stand for?

A)register transfer language
B)register transfer logic
C)register transfer level
D)resistor-transistor logic

Question 11

RTL is a design abstraction of what kind of circuit?

A)asynchronous digital circuit
B)synchronous digital circuit
C)asynchronous sequential circuit
D)analog circuit

Question 12

RTL is used in HDL to create what level of representations in the circuit?

A)high-level
B)low-level
C)mid-level
D)same level

Question 13

RTL mainly focuses on describing the flow of signals between                  

A)logic gates
B)registers
C)clock
D)inverter

Question 14

Which flip-flop is usually used in the implementation of the registers?

A)d flip-flop
B)s-r flip-flop
C)t flip-flop
D)j-k flip-flop

Question 15

Which of the following tool performs logic optimization?

A)simulation tool
B)synthesis tool
C)routing tool
D)rtl compiler

Question 16

Hold time is the time needed for the data to after the edge of the clock is triggered.

A)decrease
B)increase
C)remain constant
D)negate

Question 17

Simulator enters in which phase after the initialization phase?

A)execution phase
B)compilation phase
C)elaboration phase
D)simulation phase

Question 18

All input of NOR as low produces result as                      

A)low
B)mid
C)high
D)floating

Question 19

In RTL NOR gate, the output is at logic 1 only when all the inputs are at                      

A)logic 0
B)logic 1
C)+10v
D)floating

Question 20

The role of the is to convert the collector current into a voltage in RTL.

A)collector resistor
B)base resistor
C)capacitor
D)inductor

Question 21

The limitations of the one transistor RTL NOR gate are overcome by                      

A)two-transistor rtl implementation
B)three-transistor rtl implementation
C)multi-transistor rtl implementation
D)four-transistor rtl implementation

Question 22

The primary advantage of RTL technology was that                      

A)it results as low power dissipation
B)it uses a minimum number of resistors
C)it uses a minimum number of transistors
D)it operates swiftly

Question 23

The disadvantage of RTL is that                      

A)it uses a maximum number of resistors
B)it results in high power dissipation
C)high noise creation
D)it uses minimum number of transistors

Question 24

TTL circuits with "totem-pole" output stage minimize  

A)the power dissipation in rtl
B)the time consumption in rtl
C)the speed of transferring rate in rtl
D)propagation delay in rtl

Question 25

The minimum number of transistors can be used by 2 input AND gate is                      

A)2
B)3
C)4
D)5