【简答题】TTL 与非 门的关门电平是 0.8V ,开门电平是 2V ,当其输入低电平为 0.4V ,输入高电平为 3.2V 时,其输入低电平噪声容限为 ( ) 。A. 1.2V B. 2 . 8 V C. 0.4V D. 1.5V B. 2 . 8 V C. 0.4V D. 1.5V
【简答题】Task One: Table Completion (Directions:) Listen to the passage three times and complete the following table with the information from the passage. TOEFL IELTS Number of county having the test 1. _____...
【单选题】TTL 与非 门的关门电平为 0.8V ,开门电平为 2V ,当其输入低电平为 0.4V ,输入高电平为 3.5V 时,其输入高电平噪声容限为 ( ) 。
【简答题】Translation the following words or phrases into English after reading Passage 2 in Test 1 of Cambridge IELTS 6: 贸易壁垒 进口关税 进口份额 船运费率 frictions by and large loose cargo monopolies
【单选题】TTL 与非门的关门电平是 0.8V ,开门电平是 2V ,当其输入低电平为 0.4V ,输入高电平为 3.2V 时,其低电平噪声容限为 ( )
【单选题】TTL与非门的关门电平是0.8V,开门电平是2V,当其输入低电平为0.4V,输入高电平为3.2V 时,其输入低电平噪声容限为( )。
【简答题】Task 2 Passage Translation Directions: In this part of the test, you will hear 2 English passages. You will hear the passages ONLY ONCE. After you have heard each passage, translate it into Chinese an...
【简答题】TTL 与非门的关门电平为 0.8V ,开门电平为 2V ,当其输入低电平为 0.4V ,高电平为 3.2V 时,其输入低电平噪声容限 U NL = ;输入高电平噪声容限为 U NH = 。