System | MCQs

Explanation

The execution time or CPU time of a given task is defined as the time spent by the system executing that:

the task, including the time spent executing run-time or system services on its behalf.

Explanation

The control unit (CU) coordinates the functions of a computer system.

The information stored in the memory unit (e.g. hard disk drive) is extracted and decoded 

and executed by the control unit to demand help from ALU whenever required.

CPU contains a register where the processing of arithmetic operations of data occurs.

Explanation

A subdirectory is created when a user opens an account in the computer system.

Subdirectory is treated as a file, though flagged in MFD as a subdirectory.

Explanation

 Database management is not a function of the Operating System.

An Operating System is a program on which application programs are executed. 

Explanation

• software in computer can:
• enhance the quality of hardware,
• increase spending on CPU,
• increase computer security
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• Alan Turing is credited with being the first person to come up with a theory for software in 1935,
• The history of software and its development can be traced to the early nineteenth century. 
  
The history of software development began in England in 1948

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• Software is a set of instructions, data, or programs used to operate computers and execute specific tasks.
  
• It is the opposite of hardware
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• Graphical representation is Software in Computer technology
  

Explanation

System software that helps OS to communicate with a device is called a Device driver. An operating system (OS) is a type of system software that controls how computer hardware and software resources are used and offer basic services to other software applications.

Explanation

The central processing unit (CPU), sometimes known as the processor, is what gives computers their brains.

Explanation

The motherboard is a printed circuit board that is the foundation of a computer and processor is fixed on it.

Explanation

A runtime error in a program is an error that occurs while the program is running after being successfully compiled.

Explanation

SOC is an acronym for Service Oriented Computing.

It refers to a computing paradigm that uses services as the fundamental building blocks for developing applications.