WorksheetsElectronics 2nd Quarter Examination
Total questions: 38
Worksheet time: 25mins
What is the output of an AND gate if both inputs are 1?
1.5
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1
0
How does an OR gate function with one input as 0?
The output will be 1 if both inputs are 0.
The output will always be 1 regardless of the other input.
The output will be 1 if the other input is 1; otherwise, it will be 0.
The output will be 0 if the other input is 0.
What is the primary characteristic of a NOR gate?
The output is true when all inputs are true.
The output is true only when all inputs are false.
The output is true when at least one input is true.
The output is false only when all inputs are true.
Describe the output of an XOR gate when both inputs are the same.
2
True
0
1
What does a XNOR gate output when the inputs differ?
True
1
High
0
Explain the function of a NAND gate in simple terms.
A NAND gate outputs true only when both inputs are true.
A NAND gate has no effect on the inputs and simply passes them through.
A NAND gate outputs true unless both inputs are true.
A NAND gate always outputs false regardless of the inputs.
What is the truth table for a basic AND gate?
| A | B | Output | |---|---|--------| | 0 | 0 | 1 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 0 |
| A | B | Output | |---|---|--------| | 0 | 0 | 0 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 1 |
| A | B | Output | |---|---|--------| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 |
| A | B | Output | |---|---|--------| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 |
What is the output of a NOR gate if at least one input is 1?
1
2
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0
What is the difference between XOR and XNOR gates?
XOR and XNOR both output true for the same inputs.
XNOR outputs true for different inputs; XOR outputs true for the same inputs.
XOR outputs true for all inputs; XNOR outputs false for all inputs.
XOR outputs true for different inputs; XNOR outputs true for the same inputs.
In what scenario does a NAND gate output a 1?
A NAND gate outputs a 1 only when both inputs are 1.
A NAND gate outputs a 1 when both inputs are 0.
A NAND gate outputs a 1 when at least one input is 0.
A NAND gate outputs a 1 when at least one input is 1.
What is the significance of logic gates in digital circuits?
Logic gates are crucial for implementing logical operations in digital circuits.
Logic gates are used only for analog circuits.
Logic gates are irrelevant in modern computing.
Logic gates can replace all hardware components.
How can you represent a logic gate using a truth table?
A truth table is a graphical representation of a logic gate.
A truth table is used to represent numerical data.
A truth table shows all input combinations and their corresponding outputs for a logic gate.
A truth table only shows the output for a single input.
What is the output of an AND gate with inputs 0 and 1?
0
0.5
1
2
How do logic gates contribute to computer operations?
Logic gates perform basic logical operations that enable complex computations in computers.
Logic gates are responsible for physical hardware design.
Logic gates only function in analog circuits.
Logic gates are used to store data permanently.
Identify the gate shown.
(do not include "gate" in your answer)
(a)
Identify the gate shown.
(do not include "gate" in your answer)
(a)
Identify the gate shown.
(do not include "gate" in your answer)
(a)
Identify the gate shown.
(do not include "gate" in your answer)
(a)
Identify the gate shown.
(do not include "gate" in your answer)
(a)
Identify the gate shown.
(do not include "gate" in your answer)
(a)
What could be produce if you modify a register to a device with specific sequence of output state?
memory
counter
flip-flop
latch
What are the two main types of digital counter?
synchronous and asynchronous
analog and digital
register and memory
binary and decimal
What is the main difference between synchronous and asynchronous counters?
the type of flip-flop used
the direction of count
the source of clock pulse
all of these
It is a collection of binary storage cells together with associated circuits needed to transfer information into and out of the cells.
memory
counter
flip-flop
latch
Which of the following describes a digital register?
It is composed of flip-flops
It is used to store digital information
It is used as digital storage
all of these
You would like to create a 2-byte digital register for your project. What primary components are required?
2 flip-flops
8 flip-flops
16 flip-flops
32 flip-flops
Which of the following register types has flip-flops sharing the same clock CK to store all bits at the same time?
PIPO only
PISO only
PIPO & PISO
none of these
Which is NOT true about a PIPO register?
all flip-flops use same clock CK
inputs are stored at the same time
data could be shift from left to right or vice versa
the number of flip-flop determines its storage size
Which of the following is an application of serial register?
data conversion in a communication system
arithmetic operations in computing devices
serial memory in digital tools
all of these
In a SISO register, what happens when the data input from the first flip-flop (given there is a clock source)?
it is copied in sequence by the next flip-flop until the last one.
it is immediately registered to the last flip-flop
a parallel output displays the first input to all flip-flops
a parallel output displays the first input to all flip-flops
Convert the following expression:
11000002 = (a) 10
Convert the following expression:
1111102 = (a) 10
Convert the following expression:
10010 = (a) 2
Convert the following expression:
9910 = (a) 2
Give the function of this block diagram.
(a)
Give the function of this block diagram.
(a)
Give the function of this block diagram.
(Do not use space when typing your answer.)
(a)
Additional Points (2). What is Taltal National High School school ID?
(a)
