2. What is the decimal representation of small character 'b' in the ASCII format? a. 10 b. 50 c. 66 d. 98 e. 194 3. System Bus is a. Communication channel inside CPU (between logic unit and register) b. Communication channels between internal computer components (e.g., CPU and memory) C. Communication channels between computers d. Communication channel between computer and network devices e. Transportation cart at data center 4. Operating system is a. A collection of utility programs to control and manage computer resources. b. A network management system to control a large collection of network devices. C. An application program for a specific user application. d. A hardware component for peripheral devices e. A middleware for database applications. 5. Which of the following programming language is the earliest in the list? a. Fortran b. Java c. C/C++ d. Pascal e. Python 6. How many bits are required to represent 2 million? a. 12 bits b. 16 bits c. 21 bits d. 32 bits e. 64 bits