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Computer Hardware
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1
A CPU converts the data entered through the keyboard into output displayed on the monitor.
False
True
2
A computer monitor is not working despite multiple attempts to fix the issue. Which is the most likely culprit?
Improperly connected keyboard
Dysfunctional UPS
Power fluctuation
Faulty power or video cable
3
If you press the 'A' key on the keyboard, how does the CPU display the letter on the screen?
Computer converts 'A' to binary to process then back to 'A' for display.
CPU stores the keystroke as the letter ‘A’ and displays it on the screen.
‘A’ is converted to special chars that screen decodes to ‘A’ for display.
Keyboard transfers letter ‘A’ directly to monitor without passing thru CPU.
4
Which of these is an input device?
Webcam
Flash drive
Speakers
Earbuds
5
What type of hard drive has no moving parts, making it fast, durable and not vulnerable to heat?
solid state drive
tape drive
magnetic hard drive
DVD
6
When a CPU executes instructions as it converts input into output, it does so with _____.
the control unit and the arithmetic logic unit
RAM and ROM
the hard drive and RAM
the cache and the motherboard
7
What determines the speed at which data travels in a computer?
RAM capacity
Instructions per cycle (IPC)
Bus width
Clock speed
8
In which of the following devices could you
most easily
upgrade by adding RAM?
Xbox One
Tablet
Desktop computer
Smartphone
9
When might you consider restoring the operating system?
When the monitor does not display anything
When you can't connect to the Internet
When you cannot print documents
When programs or apps do not start properly
10
What could cause a USB flash drive not to be recognized when plugged into a computer?
A dusty computer vent
A faulty port
An issue with internet connectivity
Insufficient space on the hard disk drive
11
Which of the following types of RAM needs to be constantly recharged to retain the contents?
Static RAM (SRAM)
Magnetoresistive RAM (MRAM)
Dynamic RAM (DRAM)
Flash memory
12
Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?
Reboot
IPC (instructions per cycle)
Clock speed
Bottlenecking
13
How many bits are in a byte?
32
64
8
16
14
Where should Jason store his Italy vacation photos for access across his phone, computer, and tablet?
RAM
Cloud storage
ROM
Compact disk
15
Where on a computer is the operating system generally stored?
RAM
Flash drive
Internal hard drive
Virtual memory
16
Which of these would you most likely use to store videos?
Floppy disk
Motherboard
External RAM
External hard drive
17
The Unicode coding scheme supports a variety of characters including those for Chinese, Japanese, and Arabic languages.
True
False
18
Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse?
A desktop computer
An all-in-one computer
Tablet
A laptop
19
Which of the following is a binary number?
10020010
0010011001
248
2A8
20
Which is a common solution to a computer performing slowly?
Verify if the AC adapter is connected properly.
Decrease the brightness of the display.
Install additional RAM.
Install anti-virus software.
21
How can Jada protect the computers at her software company from viruses and malware?
Clean hardware components periodically.
Defragment hard drives periodically.
Install additional RAM.
Keep antivirus program updated.
22
A table is copied from an Excel file and then pasted into Word. Where was the table stored after being copied?
ALU
core
RAM
ROM
23
All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
False
True
24
What is the correct sequence of processing instructions in a machine cycle?
Decode fetch store execute
Fetch store decode execute
Fetch execute decode store
Fetch decode execute store
25
If you want to share a document for others to view and edit, which of the following should you do?
Present the document online.
Save the document as a webpage.
Save the document to OneDrive.
Export the document as a PDF.
26
What devices do not need device drivers to be manually installed in order to be used?
Plotters
Plug and play devices
Video cards
Printers
27
Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate?
out-of-date device driver
internal hardware problem
operating system error
low battery
28
What should you do if a printer connected to your computer by USB is not working properly?
Replace the computer's power cable.
Upgrade the system RAM.
Update the device driver.
Replace the printer with a plotter.
29
It is advised to fully charge the battery of a laptop before using it for the first time.
True
False
30
Your instructor recently rescued this tiny creature from the road and transported it to a rescue. This is a _____.
Skunk
Raccoon
Opossum
Kitten
31
What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?
Mobile printer
Ink-jet printer
Laser printer
Plotter
32
What should be done before restoring the operating system on a computer?
Disconnect the UPS.
Disconnect all output devices.
Remove the internal hard drive on which the operating system is stored.
Transfer data files to an external storage device.
33
What performance specification does 2 GHz refer to?
Time taken to fetch and decode instructions
Time taken to store the instructions on RAM
Speed at which data travels
Speed at which the processor executes instructions
34
You turn on your laptop and the screen displays only colorful horizontal lines. Which most likely has an issue?
hard drive
video card
external hard drive
integrated webcam
35
A device driver is a program that controls a device attached to the computer.
False
True
36
Which of the following factors can affect processor performance of a CPU?
Benchmark
Number of peripheral devices connected
Clock speed
Hard drive space
37
Which is an optical medium of storage?
Blu-ray discs
HDD
Solid state drive (SSD)
Cloud storage
38
What device do e-learning applications usually use to help users with visual impairment read digital content?
Motion-sensing controller
Projector
Plotter
Voice synthesizer
39
Alex wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this?
Keyboard, monitors, and speakers
Webcam and a scanner
Webcam and a projector
Webcam and speakers
40
What is the
most convenient
device for Jack to browse the web, email, and store basic data while traveling?
A tablet.
A laptop.
A desktop computer.
An all-in-one computer.
41
A joystick is a pen-type input device used to draw and tap icons.
False
True
42
Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.
True
False
43
What should be done before installing additional memory inside your computer?
Disconnect the UPS and surge suppressor.
Install anti-virus software.
Disconnect all the input and output devices.
Turn off the computer and remove its power source.
44
Which is the most suitable device to use in a classroom or a conference room to deliver presentations?
Headset
Printer
Projector
Voice synthesizer
45
Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.
True
False
46
Solve for x: 4x + 7 = 2x + 19
6
16
9
26
47
When purchasing a new PC, which of the following specifications includes the operating system of the computer?
add-on devices
platform
CPU and RAM specifications
form factor
48
Which factor should Daniel consider when buying a gaming computer for racing games?
Physical size
Form factor
Processor (cpu) core
External hard disk capacity
49
Which is
not
an input device?
Printer
Webcam
Scanner
Stylus
50
Which of the following is a necessary step in
protecting
computer hardware?
Rebooting the computer often
Using a UPS or a surge processor
Cleaning air vents
Connecting peripheral devices to computer
51
Which is most commonly used for transferring files from one computer to another?
internal hard drive
memory card
USB flash drive
tape drive
52
Whichy type of memory is
permanently
installed on your computer and is soldered onto the motherboard?
Read only memory (ROM)
Virtual memory
Processor cache
Random access memory (RAM)
53
What device can Thomas use to make a digital copy of his graduation certificate for email?
plotter
scanner
digital pen
projector
