Student name: Abdullah S AlYafei 140051380 Instrutor name: Mr. Saleh Osama Chapter 5 Multiple Choice: Q: 1. This container houses most of the electrical components for a computer system. A: system unit Q: 2. A type of notebook, this computer specializes in on-the-go Web browsing and e-mail access. A: netbook Q: 3. The mainboard or motherboard is also known as the: A: system board Q: 4. How many bytes can a 32-bit-word computer access at one time? A: 4 Q: 5. In a microcomputer system, the central processing unit is contained on a single: A: chip Q: 6. This type of memory divides large programs into parts and stores the parts on a secondary storage device. A: virtual Q: 7. Also known as NIC, this adapter card is used to connect a computer to a: A: network Q: 8. This provides a pathway to connect parts of the CPU to each other. A: bus Q: 9. The specialized port that provides very high-speed connections for large secondary storage devices. A: eSATA Q: 10. Computers can only recognize this type of electronic signal. A: digital Chapter 5 Matching: 1: C 2: E 3: G 4: H 5: A 6: B 7: D 8: I 9: J 10: F Open-Ended: 1. Describe the four basic types of microcomputers and microcomputers system units. 1- Pepole : People are end users who use computers to make them-selves more productive. 2- Procedures: The rules or guidelines for people to follow when using software, hardware, and data are procedures These procedures are typically documented in manuals written by computers specialists. 3- Software: A program consists of the step-by-step instructions that tell the computers how to do its.Software is another name of program or programs.The purpose of software is to converts data (unprocessed facts ) into information (processed facts). 4- Hardware: The equipment that processes the data to create information is called Hardware. In includes the keyboard, mouse, monitor, system unit and other devices. Hardware is controlled by software.The equipment that processes the data to create information is called Hardware.In includes the keyboard, mouse, monitor, system unit and other devices.Hardware is controlled by software. 2. Describe system boards including sockets, chips, carrier packages, slots, and bus lines 1-Sockets: Connection point for chips. 2-Chips: Tiny circuit boards etched onto squares of silicon Silicon chip, semiconductor, or integrated circuit Mounted on carrier packages. 3-Slots: Provide a connection point for specialized cards or circuit boards. 4-Bus lines: Provide pathways that support communication among the various electronic components. 3. Discuss microprocessors components, chips, and specialty processors. Central Processing Unit (CPU) Contained on the microprocessor chip Brains of the computer Two Basic Components Control unit Arithmetic-logic unit (ALU) Chip capacities expressed in word size Word The number of bits that can be processed at one time 64-bit standard Clock Speed Processing speed The number of times the CPU fetches and processes data or instructions in a second Multi-Core Chip Two separate and independent CPUs Parallel Processing Windows 7 and Mac OS X Coprocessors Designed to improve specific computing operations Graphics coprocessors / Graphics Processing Unit (GPU) Smart cards Credit card with an embedded chip Specialty processors in cars RFID tags Information chips Embedded in merchandise to track their location 4. Define computer memory including RAM, ROM, and flash memory. Flash memory ROM: Read Only Memory RAM: Random Access Memory Chips connected to the system board Holding area for data, instructions, and information offers a combination of the features of RAM and ROM like RAM , It can be updated Like ROM, it is non-volatile. 5. Define expansion slots, cards, Plug and Play, PC cards, PCMCIA slots, and Express Card slots. For adding devices Plug and play Express Card slots PCMCIA slots Notebooks and handheld devices Advanced graphics cards Sound cards Network interface cards (NIC) Wireless network cards TV tuner cards 6. Describe bus lines, bus width, system bus, and expansion bus. Also known as a bus Connect parts of the CPU to each other Pathway for bits Bus width Number of bits that can travel at once Two basic categories System buses Expansion buses Connects the CPU to other components on the system board, including expansion slots Universal Serial Bus (USB) Connects external USB devices onto the USB bus FireWire Audio and video equipment PCI Express (PCIe) Single dedicated path for each connected device 7. Define ports including standard and specialized ports . Give examples of each. Socket for connecting external devices Ports can connect directly to the system board or they can connect to cards that are inserted into slots on the system board Three Types Standard Ports: VGA and DVI , USB Specialized Ports: HDMI ,MIDI Legacy Ports : Serial , Parallel 8. Describe power supply including power supply units and AC adapters. Computers require direct current (DC).DC power provided by converting alternating current (AC) from wall outlets or batteries .Desktop computers use power suppl 9. Discuss electronic data and instructions. Data and instructions are represented electronically Two-state system or Binary System Off/on electrical states Characters represented by 0’s (off) and 1’s (on) Bits :Short for binary digit. Bytes :Eight digits of bits. “Best Regards”