Microprocessor and Microcontroller Quizzes | Trivia Quiz for Practice

76. ALE stands for ___________

1. address level enable
2. address leak enable
3. address leak extension
4. address latch enable

77. What is DEN?

1. data entered
2. data enable
3. data encoding
4. direct enable

78. In 8086, Example for Non maskable interrupts are ________.

1. RST6.5
2. INTR
3. RST6.6
4. TRAP

79. In 8086 the overflow flag is set when _____________.

1. signed numbers go out of their range after an arithmetic operation.
2. carry and sign flags are set.
3. subtraction
4. the sum is more than 16 bits.

80. In 8086 microprocessor the following has the highest priority among all type interrupts?

1. DIV 0
2. TYPE 255
3. OVER FLOW
4. NMI

81. In 8086 microprocessor one of the following statements is not true?

1. coprocessor is interfaced in min mode.
2. I /O can be interfaced in max / min mode.
3. supports pipelining
4. coprocessor is interfaced in max mode.

82. Address line for TRAP is?

1. 0024H
2. 0033H
3. 0099H
4. 0023H

83. Access time is faster for _________.

1. SRAM
2. DRAM
3. ERAM
4. ROM

84. The First Microprocessor was__________.

1. 8080
2. 8085
3. 4008
4. Intel 4004

85. Status register is also called as ___________.

1. stack
2. counter
3. flags
4. accumulator

86. Which of the following is not a basic element within the microprocessor?

1. Arithmetic logic unit (ALU)
2. Register array
3. Control unit
4. Microcontroller

87. Which method bypasses the CPU for certain types of data transfer?

1. Interrupt-driven I/O
2. Polled I/O
3. Direct memory access (DMA)
4. Software interrupts

88. Which bus is bidirectional?

1. Control bus
2. Data bus
3. None of the above
4. Address bus

89. The first microprocessor had a(n)________.

1. 2 – bit data bus
2. 4 – bit data bus
3. 8 – bit data bus
4. 1 – bit data bus

90. Which microprocessor has multiplexed data and address lines?

1. 80286
2. 80386
3. Pentium
4. 8086