Understanding Computers: Hardware and Software

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Which component of a computer is responsible for controlling the sequencing and timing of other elements?

Registers

Control unit (correct)

Motherboard

Arithmetic logic unit (ALU)

What is the main function of a computer?

Playing music and movies

Sending and receiving emails

Displaying images and videos

Storing and processing data (correct)

What is the role of the arithmetic logic unit (ALU) in a computer?

Displaying output on the monitor

Performing arithmetic and logical operations (correct)

Controlling the speed of operations

Storing program instructions

How is CPU speed measured in a computer system?

Megahertz (MHZ) or gigahertz (GHZ) Signup and view all the answers

What are examples of hardware components in a computer?

Mouse and keyboard Signup and view all the answers

What is the main function of hard disks in a computer?

To store the operating system and application programs Signup and view all the answers

Which type of memory is volatile and is erased when the computer is turned off?

Random Access Memory (RAM) Signup and view all the answers

What is the function of input devices in a computer system?

To allow people to put data into the computer Signup and view all the answers

What is the function of output devices in a computer system?

To translate the information processed by the computer Signup and view all the answers

What is the main purpose of a USB port in a computer system?

To plug in devices designed for USB like printers, digital cameras, and scanners Signup and view all the answers

What was the original operating system supplied with the IBM PC in 1981?

Ms-DOS Signup and view all the answers

Which type of programs are used once the operating system has been loaded?

Application programs Signup and view all the answers

What is the main reason for the continued use of DOS, as mentioned in the text?

Requires less memory and storage space Signup and view all the answers

Which Windows operating system is specifically mentioned in the text as a current edition?

Windows 7 Signup and view all the answers

What feature of Windows 10 allows users to keep their open apps better organized?

Virtual Desktops Signup and view all the answers

What is the main function of an operating system?

Act as an intermediary between the user and computer hardware Signup and view all the answers

What are the goals of an operating system?

All of the above Signup and view all the answers

Which type of software controls the execution of application programs?

System software Signup and view all the answers

Which of the following is a popular type of desktop class operating system?

Unix/Linux Signup and view all the answers

What differentiates an operating system from other types of programs?

Acts as an intermediary/interface between a user and computer hardware Signup and view all the answers