OPERATING SYSTEM CONCEPTS PRACTICE
PAPER 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
●● Hardware. Answer: CPU, Memory, I/O devices which provide basic
computing resources for the system
●● Central Processing Unit (CPU). Answer: Main Processor
●● Memory. Answer: Dynamic data storage unit
●● Input/Output devices. Answer: devices that are used to input to a
computer (keyboard, mouse) or output (monitor)
●● Application Programs. Answer: Word processors, spreadsheets,
compilers, and web browsers
●● Ease of Use. Answer: how convenient it is for a user to use a PC
●● Resource Utilization. Answer: how various hardware and software
resources are shared
●● Mainframe. Answer: large and powerful data processing system
, ●● Minicomputer. Answer: Middle range of computing systems,
between mainframes and PCs
●● Workstation. Answer: a work PC
●● resource allocator. Answer: job of the operating system, allocates and
manages hardware resources
●● Control Program. Answer: manages the execution of user programs
to prevent errors and improper use of the computer
●● bit. Answer: basic unit of computer storage (0 or 1)
●● byte. Answer: 8 bits, smallest convenient chunk of storage
●● Word. Answer: a given computer architectures native storage unit
(made up of one or more bytes)
●● Kernel. Answer: the one program running at all times on the
computer
●● Systems program. Answer: associated with the OS but not part of the
kernel
PAPER 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
●● Hardware. Answer: CPU, Memory, I/O devices which provide basic
computing resources for the system
●● Central Processing Unit (CPU). Answer: Main Processor
●● Memory. Answer: Dynamic data storage unit
●● Input/Output devices. Answer: devices that are used to input to a
computer (keyboard, mouse) or output (monitor)
●● Application Programs. Answer: Word processors, spreadsheets,
compilers, and web browsers
●● Ease of Use. Answer: how convenient it is for a user to use a PC
●● Resource Utilization. Answer: how various hardware and software
resources are shared
●● Mainframe. Answer: large and powerful data processing system
, ●● Minicomputer. Answer: Middle range of computing systems,
between mainframes and PCs
●● Workstation. Answer: a work PC
●● resource allocator. Answer: job of the operating system, allocates and
manages hardware resources
●● Control Program. Answer: manages the execution of user programs
to prevent errors and improper use of the computer
●● bit. Answer: basic unit of computer storage (0 or 1)
●● byte. Answer: 8 bits, smallest convenient chunk of storage
●● Word. Answer: a given computer architectures native storage unit
(made up of one or more bytes)
●● Kernel. Answer: the one program running at all times on the
computer
●● Systems program. Answer: associated with the OS but not part of the
kernel