A processor with multiple independent processing units on one chip is called a:
Correct answer: A
A multi-core processor has two or more independent cores that can process tasks in parallel.
Computer
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Which internal computer component holds a small amount of data the CPU is currently working with, faster than cache?
Correct answer: B
Registers are the fastest, smallest storage locations built directly into the CPU.
What is the collection of physical, touchable parts of a computer system called?
Correct answer: D
Hardware refers to the physical components of a computer system.
Which of these is NOT a physical hardware component?
Correct answer: C
An operating system is software, not a physical hardware component.
What term describes the main box that houses the motherboard, CPU, and drives?
Correct answer: B
The cabinet or case houses the core internal components of a desktop computer.
Which device supplies backup power during a power failure, allowing safe shutdown?
Correct answer: A
A UPS provides temporary battery backup power when mains electricity fails.
Which unit of a computer is responsible for performing arithmetic and logical operations?
Correct answer: A
The Arithmetic Logic Unit (ALU) performs arithmetic and logical operations inside the CPU.
Which unit of the CPU directs and coordinates the operations of the entire computer?
Correct answer: A
The Control Unit directs the operation of the processor and coordinates data flow.
Which term refers to a computer's motherboard socket where the processor is physically installed?
Correct answer: B
The CPU socket on the motherboard holds and connects the processor.
Which slot on a motherboard is commonly used to install a graphics card?
Correct answer: D
PCIe (Peripheral Component Interconnect Express) slots are used for graphics cards and other expansion cards.
Which interface is commonly used to connect internal hard disks and SSDs to the motherboard?
Correct answer: D
SATA (Serial ATA) is the standard interface for connecting internal storage drives.
Which type of computer memory is 'volatile', meaning it loses its contents when power is removed?
Correct answer: B
RAM is volatile memory; its contents are lost once power is switched off.
Which of the following best describes 'firmware'?
Correct answer: C
Firmware is low-level software embedded in hardware devices to control their basic functions.
A device driver is best described as:
Correct answer: D
A device driver is software that allows the operating system to interact with hardware.
Which of the following is measured to describe monitor screen sharpness, e.g. 1920x1080?
Correct answer: A
Screen resolution describes the number of pixels displayed, such as 1920x1080.
Which term describes how many times per second a monitor redraws the image, measured in Hz?
Correct answer: B
Refresh rate, in Hertz, indicates how often the display updates the image each second.
Which cable/connector standard is now largely obsolete but was once common for analog video output?
Correct answer: D
VGA (Video Graphics Array) is an older analog video standard, largely replaced by digital options like HDMI.
Which storage media uses a laser to read and write data on a flat, round disc, e.g. a music CD?
Correct answer: B
Optical discs such as CDs and DVDs use lasers to read and write data.
Approximately how much data can a standard single-layer DVD typically hold?
Correct answer: C
A standard single-layer DVD holds approximately 4.7 GB of data.
Approximately how much data can a standard CD typically hold?
Correct answer: B
A standard CD typically holds around 700 MB of data.
A Blu-ray disc, compared to a DVD, offers:
Correct answer: D
Blu-ray discs use a shorter-wavelength laser and can store significantly more data than DVDs.
Which term refers to the set of programs and instructions that run on a computer?
Correct answer: A
Software is the general term for programs and instructions that a computer executes.
Software that manages computer hardware and provides a platform for other programs is called:
Correct answer: D
The operating system manages hardware resources and provides services for application software.
Which of the following is an example of an operating system?
Correct answer: D
Windows is an operating system; the others are application programs that run on top of one.
Which of the following is a widely used open-source operating system kernel?
Correct answer: D
Linux is a free and open-source operating system kernel used in many distributions.