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IT - Ch 1-4
Computers
| Question | Answer |
|---|---|
| Command-line tool displays all the files and folders in a specific directory | dir |
| macOS, launch point provides access to almost all the settings needed to administer a macOS system. | System Preferences |
| All KDE-based distros provide everything you need to work on the system from the _______________ menu. | Kickoff |
| Which port on the back of a PC's system unit is used for network connection? | NIC |
| What does the final version of Windows 8.1 use for the default interface? | The Desktop |
| An essential tool in Linux for technicians is the command line, called _______________. | Terminal |
| In Windows 8/8.1, the _______________ is the go-to source for tech tools. | Control Panel |
| Which type of coolers are heat-sink and fan assemblies that are included with most Intel retail-boxed CPU? | OEM CPU coolers |
| In _______________, the cores in multicore CPUs to divide up work independently of the OS. | Multicore Processing |
| Type of RAM is used in the CPU's cache | SRAM |
| Four stages of the pipelining process | Fetch, Decode, Execute, Write |
| cycles per second is equivalent to _______________. | 1 gigahertz |
| Type of RAM used for main system memory | DRAM |
| This Component stores the data that the CPU actively uses | RAM |
| What newer technology automatically configures CPU multipliers and speeds? | CPUID |
| equivalent to 1024 bytes? | 1 kilobyte |
| Which technology allows a computer to run more than one operating system at a time? | Virtualization |
| Biggest and slowest cache | L3 |
| What is the practical limit for modern CPU clock speeds? | 4GHz |
| Which component requires a constant electrical charge and a periodic refresh of the circuits? | DRAM |
| Suppose the number of wires in a CPU's address bus is 20. What is the maximum amount of RAM the CPU can handle? | 1,048,576 bytes |
| All of the machine language commands that the CPU understands make up its _______________. | Instruction set |
| What typically connects a CPU to RAM? | MCC |
| What is an important difference between desktops and mobile devices in terms of CPU needs? | Mobile devices need to consume less electricity. |
| What cache was historically on the motherboard, but now often comes on the CPU? | L2 |
| What keeps every stage of the processor busy on every click of the clock, making a CPU run more efficiently without increasing the clock speed? | Pipelines |
| A general protection fault (GPF) _______________. | is an error that can cause an application to crash |
| How many pins are in a DDR3 SO-DIMM? | 204 |
| What is the core RAM clock speed for RAM with a DDR2 speed rating of DDR2-400 and a PC speed rating of PC2-3200? | 100MHz |
| What size DIMM is used by laptop DDR2 SDRAMs? | 200-pin SO-DIMM |
| How many pins are in a DDR3 DIMM? | 240 |
| When you load a program in Windows, the PC copies the program from the mass storage device to _______________ and then runs it. | RAM |
| DIMM is used by desktop DDR4 SDRAMs? | 288-pin DIMM |
| DDR SDRAM for laptops comes in _______________. | 172-pin micro-DIMMs |
| The default and recommended page-file size in Windows is _______________ times the amount of installed RAM on your computer. | 1.5 |
| How should a non-maskable interrupt (NMI) be handled? | The system should be rebooted. |
| To optimize the flow of data into and out of the CPU, the modern MCC provides at least _______________ of data every time the CPU requests information from RAM. | 64 bits |
| Which are DDR3 I/O speeds related to clock speeds? | DDR3 I/O speeds are quadruple the clock speeds. |
| What is the minimum system RAM requirement for the latest versions of macOS? | 2GB |
| What does excessive disk thrashing suggest? | The system needs more RAM. |
| What size DIMM is used by laptop DDR4 SDRAMs? | 260-pin SO-DIMM |
| Which term describes a milder error that can be caused by memory issues but not necessarily system RAM problems? | Page fault |
| SDRAM made its debut in 1996 on a stick called a(n) _______________ . | DIMM |
| What is Microsoft's minimum system RAM requirement for 64-bit versions of Windows? | 2GB |
| DDR3 doubles the buffer of DDR2 from _______________, giving it a huge boost in bandwidth over older RAM. | 4 bits to 8 bits |
| In early PCs, a DIMM in any one of the DIMM slots could fill the 64-bit bus; therefore, each slot was called a(n) _______________. | Bank |
| Which tool is generally included in a typical technician toolkit? | Parts retriever |
| What action is always recommended before making any major changes to a critical system? | Make backups |
| a theory is not confirmed during troubleshooting, what is the technician's next step? | Establish a new theory or escalate |
| What do antistatic mats and wrist straps use to prevent anti-static charges from racing through devices? | Resistors |
| In Windows 8/8.1, the _______________ is the go-to source for tech tools. | Control Panel |
| Which tool enables you to copy any Unicode character into the Clipboard and paste into your document? | Character Map |
| Which term describes an operating system's software parts with which you can interact? | User Interface (UI) |
| What are the three major components in a modern computer? | Hardware, operating system, and applications |
| Which port on the back of a PC's system unit is used for output to a monitor? | HDMI |
| You can click the Windows 10 Task View button to create and manage _______________for grouping your open applications. | Multiple desktops |
| Windows 10 provides a very powerful command-line interface, called _______________, which offers a much deeper set of command-line utilities as well as support for power scripting. | PowerShell |
| How many directory structures for program files are created by the 64-bit edition of Windows? | Two |
| Which term describes computers (e.g., Windows PC, macOS) with applications that allow a person to perform diverse tasks, from writing a book on CompTIA A+ certification to talking with someone, with full audio and video, on the other side of the world? | Multipurpose Computers |
| An essential tool in Linux for technicians is the command line, called _______________. | - Terminal |
Created by:
Britney87