[Daily question 20090304] 1. In a computer control system, the input and output signals of the computer are ().
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[Daily question 20090304] 1. In a computer control system, the input and output signals of the computer are (). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host and peripheral devices are (). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions output (). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: ( ) 1) Analog input 2) Analog output 3) Switching output
Daily question 20090304] 1. In a computer control system, the input and output signals of the computer are (). 2) Digital signal 2. In the computer control system, the host and peripheral devices are (). 2) Software part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions output (). 2) Hexadecimal 4. Computer software includes (). Programs written in various languages, etc. 5. DO representation in DCS system: ( ) 3) Switching output
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
2,1,2,3,3 is my answer
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
1. 2) Digital signal 2. 1) Hardware part 3. 2) Binary 4. 3) Programs written in various languages, etc. 5. 3) Switch output
answer: 1: twenty two: 1 3: 3 4: 3 5: 3
1． In a computer control system, the input and output signals of the computer are (2)； 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1) ； 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions output (3) ； 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3) ； 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) ； 1) Analog input 2) Analog output 3) Switch output
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output The concept of computer control system seems not clear?
Answer: 1: twenty two: 1 3: 3 4: 3 5: 3
1.2) 2.1) 3.3) 3.3) 3.3)
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switch output
1: twenty two: 1 3: 3 4: 3 5: 3
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
Answer: 1: (twenty two: (1 3: (3 4: (3 5: (3
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output
1． In a computer control system, the input and output signals of the computer are (2). 1) Analog signal 2) Digital signal 3) 4~20mA standard signal 2. In the computer control system, the host computer and external devices are (1). 1) Hardware part 2) Software part 3) Middle part 3. In the computer control system, the host computer receives the on-site signals and makes various control decisions after calculation, judgment and processing. In what form are these decisions outputted (3). 1) Decimal 2) Hexadecimal 3) Binary 4. Computer software includes (3). 1) External equipment 2) Various instruments 3) Programs written in various languages, etc. 5. DO representation in DCS system: (3) 1) Analog input 2) Analog output 3) Switching output