Computer Hardware Basics Quiz

• Computer peripheral devices are any devices connected to a computer, but not the CPU
• A port is a place in a system unit that allows data transfer between a variety of devices and the computer.
• ROM is a type of computer memory in which the user cannot write new information or instruction.
• A byte is a group of 8 bits.
• A megabyte is equivalent to 1,000,000 bytes.
• Device drivers allow input and output devices, such as printers and scanners, to communicate with the rest of the computer system.
• Primary and secondary are the two basic types of computer memory.
• A CD is a non-erasable disk used to store digitized audio information.
• Outputting is the process of producing useful information for the user.
• A scanner is a device that is used to give a digitized form of many printed papers.
• A CRT monitor looks like a television set and is normally used with non- portable computer systems.
• The smallest unit of data in a computer is a bit.
• Input and output devices are peripherals that surround the CPU.
• Data is the raw material.
• The most powerful computers are supercomputers.
• A kilobyte is 1024 bytes.
• Memory management is the process of allocating main memory for programs and keeping them separate.
• The CPU has an instruction set that contains all the operations it can perform.
• The opcode indicates the operations to be performed.
• The word size is the length of a register.
• Backward compatible CPUs have the instruction sets of predecessors.
• The cache is the high-speed memory between the CPU and main memory.
• A computer's clock speed is measured in Hertz.
• The dot pitch is the distance between each pixel on a screen in millimeters.
• An icon is a pictorial screen symbol that represents a computer activity.
• A soft copy is a display on a screen, rather than a printed output.
• A wand reader is a device used for optical character recognition, OCR.
• OMR is another term for mark sensing.
• Raster rate is the rate of screen refreshment (how often it updates).
• Non-impact printers do not use physical contact with paper to print.
• An ink-jet is an example of a non-impact printer.
• A plotter uses a pen to draw on a larger sheet of paper.
• A machine cycle is the time needed to fetch, decode, execute, and store an instruction.
• Throughput is the actual data transfer speed.
• Storage is a long-term holding area
• The control unit coordinates all the other parts of a system.
• Input devices are used to send data to the computer.
• A network interface card, NIC, connects the computer to the network wiring.

Test your knowledge on computer peripheral devices, memory types, and data measurement units. This quiz covers important terms and definitions related to computer hardware, including input and output devices. Perfect for students learning about computer systems!