Download Business Computer Applications I - Discovering Computers | BUS 120 and more Study notes Introduction to Business Management in PDF only on Docsity! BUS 120: Business Computer Applications I: Discovering Computers: Chapter 4 Name:___________________________________________________________________ 1. The box-like case that houses the electronic components of the computer: _____________________________________________________ 2. Also called the system board, this is the main circuit board, which contains many integrated circuits. ______________________ 3. The central processing unit (CPU) is composed of two components or units: ______________________ ______________________ 4. The ALU performs what kind of operations? 5. For every instruction, the control unit repeats four basic operations ______________________ _________________________ ______________________ _________________________ 6. Clock speed is measured in cycles per second or _________________ 7. Computer signals powered by electricity (on/off): _______________ 8. The binary system is a number system that has just two unique digits: _____ and _____. 9. The smallest unit of data the computer can represent is called a ______, which stands for ______________________________. 10. 8 bits = 1 __________ 11. 1 kilobyte = ____________ bytes. 12. 1 megabyte = ____________ bytes. 13. 1 gigabyte= ______________ bytes 14. The system unit contains two types of memory. RAM is ______________, meaning that if your computer’s power is turned off, you will lose the contents. 15. ____________ memory is a type of nonvolatile memory that can be erased electronically and rewritten. 16. This port transmits data one bit at a time: _______________ 17. This port transmits data more than 1 bit at a time (common: 8 bits or 1 byte at a time): _______________ 18. This port can connect up to 127 different peripherals with a single connector type: 19. List two special purpose ports: ___________________________________________ 20. Converts AC (alternating current) to DC (direct current) ________________ 21. A channel or “highway” which allows devices inside the computer to communicate with each other is a __________. 22. An open area inside the system unit used to install additional equipment is a _____________.
