AET Digital Electronics

Question 1

What is the binary equivalent of the decimal number 13?

Accepted Answer

1101

Answer

1010

Answer

1011

Answer

1110

Question 2

What logic gate outputs HIGH only when all inputs are HIGH?

Accepted Answer

AND gate

Answer

OR gate

Answer

NAND gate

Answer

XOR gate

Question 3

What is the hexadecimal equivalent of binary 1010 1111?

Accepted Answer

AF

Answer

FA

Answer

A9

Answer

BF

Question 4

Which type of memory loses its data when power is removed?

Accepted Answer

RAM

Answer

ROM

Answer

Flash memory

Answer

EEPROM

Question 5

What does the term 'bit' refer to in digital electronics?

Accepted Answer

A single binary digit (0 or 1)

Answer

A group of 8 binary digits

Answer

A hexadecimal character

Answer

A unit of frequency

Question 6

In avionics, what bus protocol uses a single twisted pair for bidirectional data at 1 Mbps?

Accepted Answer

MIL-STD-1553

Answer

ARINC 429

Answer

ARINC 664

Answer

RS-232