CompTIA A+ Practice Test 1001 (Questions Answers) 2023

What do registers provide for the CPU?

What function does the external data bus have in the PC?

What is the function of the address bus in the PC?

Which of the following terms are measures of CPU speed?

Which CPU feature enables the microprocessor to support running multiple operating systems at the same time?

Into which socket could you place an Intel Core i5?

Which feature enables a single-core CPU to function like two CPUs?

What steps do you need to take to install a Core i3 CPU into an FM2+ motherboard?

A client calls to complain that his computer starts up, but crashes when Windows starts to load. After a brief set of questions, you find out that his nephew upgraded his RAM for him over the weekend and couldn’t get the computer to work right afterward. What could be the problem?

Darren has installed a new CPU in a client’s computer, but nothing happens when he pushes the power button on the case. The LED on the motherboard is lit up, so he knows the system has power. What could the problem be?

Steve adds a second 8-GB 288-pin DIMM to his PC, which should bring the total RAM in the system up to 16 GB. The PC has an Intel Core i7 4-GHz processor and four 288-pin DIMM slots on the motherboard. When he turns on the PC, however, only 8 GB of RAM shows up in Windows Settings app. Which of the following is most likely to be the problem?

Scott wants to add 8 GB of PC3-12800 DDR3 to an aging but still useful desktop system. The system has a 200-MHz motherboard and currently has 4 GB of non-ECC DDR3 RAM in the system. What else does he need to know before installing?

What is the primary reason that DDR4 RAM is faster than DDR3 RAM?

What is the term for the delay in the RAM’s response to a request from the MCC?

How does an NMI manifest on a Windows system?

Silas has an AMD-based motherboard with two sticks of DDR3 RAM installed in two of the three RAM slots, for a total of 8 GB of system memory. When he runs CPU-Z to test the system, he notices that the software claims he’s running single-channel memory. What could be the problem? (Select the best answer.)

Which of the following Control Panel applets will display the amount of RAM in your PC?

What is the best way to determine the total capacity and specific type of RAM your system can handle?

Gregor installed a third stick of known good RAM into his Core i7 system, bringing the total amount of RAM up to 12 GB. Within a few days, though, he started having random lockups and reboots, especially when doing memory-intensive tasks such as gaming. What is most likely the problem?

Cindy installs a second stick of DDR4 RAM into her Core i5 system, bringing the total system memory up to 16 GB. Within a short period of time, though, she begins experiencing Blue Screens of Death. What could the problem be?

Which of the following would be most appropriate for the workplace? (Select two.)

While manning the help desk, you get a call from a distraught user who says she has a blank screen.

What would be a useful follow-up question? (Select two.)

At the very least, what tool should be in every technician’s toolkit?

When is it appropriate to yell at a user?

When troubleshooting a software problem on Phoebe’s computer and listening to her describe the problem, you get a text from your boss. Which of the following is the most appropriate action for you to take?

You are at a customer’s workstation to install several software and hardware updates, a process that will take a while and require several reboots of the computer. What should you do about the password to the user’s account?

Which of the following is a good practice after completing a troubleshooting call at someone’s office?

Which tool helps you avoid accidental static discharge by keeping you at the same electrical potential as the computer on which you’re working?

Once you have ascertained the computer’s problem and backed up the critical data, what should you do?

What should you do after successfully repairing a machine?

Which version of Windows introduced the Metro UI?

Which Windows 8 feature did Microsoft not include in Windows 10?

What macOS feature is essentially multiple Desktops?

What KDE feature is essentially the Start button?

The user Mike has downloaded files with his Web browser. Where will they be stored by default?

32-bit programs are installed into which folder by default in a 64-bit edition of Windows?

Which macOS feature is functionally equivalent to Windows File Explorer?

Which of the following paths would open Administrative Tools in Windows 8.1?

What feature of macOS is the equivalent of the command-line interface in Windows?

What Windows app in Windows 10 combines many utilities into a unified tool?

What does BIOS provide for the computer? (Choose the best answer.)

What is the correct boot sequence for an older BIOS-based PC?

Jill decided to add a second hard drive to her computer. She thinks she has it physically installed correctly, but it doesn’t show up in Windows. Which of the following options will most likely lead Jill where she needs to go to resolve the issue?

Henry bought a new card for capturing television on his computer. When he finished going through the packaging, though, he found no driver disc, only an application disc for setting up the TV capture software. After installing the card and software, it all works flawlessly. What’s the most likely explanation?

Which of the following most accurately describes the relationship between BIOS and hardware?

After a sudden power outage, Samson’s PC rebooted, but nothing appeared on the screen. The PC just beeps at him, over and over and over. What’s most likely the problem?

Davos finds that a disgruntled former employee decided to sabotage her computer when she left by putting a password in CMOS that stops the computer from booting. What can Davos do to solve this problem?

Richard over in the sales department went wild in CMOS and made a bunch of changes that he thought would optimize his PC. Now most of his PC doesn’t work. The computer powers up, but he can only get to CMOS, not into Windows. Which of the following tech call answers would most likely get him up and running again?

Jill boots an older Pentium system that has been the cause of several user complaints at the office. The system powers up and starts to run through POST, but then stops. The screen displays a “CMOS configuration mismatch” error. Of the following list, what is the most likely cause of this error?

Where does Windows store device drivers?