Embedded Systems Questions and Answers in Quiz Form 9 for Practice

121. Who coined the term RISC?

1. David Patterson
2. von Neumann
3. Michael J Flynn
4. Harvard

122. Who has invented flash memory?

1. Dr.FujioMasuoka
2. John Ellis
3. Josh Fisher
4. John Ruttenberg

123. Who invented TriMedia processor?

1. Intel
2. IBM
3. Apple
4. NXP Semiconductor

124. Which of the following is a coprocessor of 80386?

1. 80387
2. 8087
3. 8089
4. 8088

125. How are negative numbers stored in a coprocessor?

1. 1s complement
2. 2s complement
3. decimal
4. gray

126. How buffers are enabled in the parallel ports?

1. by the data register
2. by data direction register
3. by individual control register
4. by data and individual control register

127. How is baud rate supplied?

1. baud rate voltage
2. external timer
3. peripheral
4. internal timer

128. How is data detected in a UART?

1. counter
2. timer
3. clock
4. first bit

129. How is memory accessed in RISC architecture?

1. load and store instruction
2. opcode instruction
3. memory instruction
4. bus instruction

130. How many areas does the serial interface have?

1. 1
2. 3
3. 2
4. 4

131. How many bits are used for storing signed integers?

1. 2
2. 4
3. 8
4. 16

132. How many categories are there for the low-level simulation?

1. 2
2. 3
3. 4
4. 5

133. How many main signals are used with memory chips?

1. 2
2. 4
3. 6
4. 8

134. How many numbers of ways are possible for allocating the memory to the modular blocks?

1. 1
2. 2
3. 3
4. 4

135. How many pins does 8087 have?

1. 40 pin DIP
2. 20 pin DIP
3. 40 pins
4. 20 pins