Operating System Quiz : Do You Know The Details?

50 Questions | By Acooper | Updated: Mar 21, 2022 | Attempts: 377

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Operating System Quiz : Do You Know The Details? - Quiz

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources. Know more about operating systems in this quiz

Questions and Answers

1.

__________________ are general purpose in nature, but may be restricted to specific tasks such as performing floating-point operations.
- A.
  
  Operating systems
- B.
  
  Data registers
- C.
  
  Memory management registers
- D.
  
  Central Processing Unit
- E.
  
  All of the above
2.

______________________ acts as the interface between the computer hardware and the human user.
3.

One of the _____________________ main functions is to exchange data with memory.
4.

User-visible ____________________ are typically accessible to system programs but are not typically available to application programs.
5.

True or FalseThe Program Status Word contains status information in the form of condition codes, which are bits typically set by the programmer as a result of program operation.
6.

The processing required for a single instruction on a typical computer system is called the __________________ .
7.

Where is a fetched instruction normally loaded into?
8.

An _______________ is a mechanism used by system modules to signal the processor that normal processing should be temporarily suspended.
- A.
  
  Interruption
- B.
  
  Interrupt
- C.
  
  Processor
- D.
  
  Memory
- E.
  
  All of the above
9.

To accommodate interrupts, what kind of cycle is added to the instruction cycle.
- A.
  
  An extra fetch
- B.
  
  Interrupt
- C.
  
  A reboot
- D.
  
  Any system call
- E.
  
  All of the above
10.

The minimum information that must be saved before the processor transfers control to the interrupt handler routine is the ____________________
- A.
  
  Program status word
- B.
  
  PSW
- C.
  
  Location of the next instruction
- D.
  
  PSW and the program status word
- E.
  
  All of the above
11.

True or False One approach to dealing with multiple interrupts is to disable all interrupts while an interrupt is being processed.
- A.
  
  True
- B.
  
  False
12.

____________________________ allows the processor to make use of idle time caused by long-wait interrupt handling.
13.

In a two-level memory hierarchy, the Hit Ratio is defined as the fraction of all memory accesses found in the slower memory.
- A.
  
  True
- B.
  
  False
14.

_____________________ memory exploits the principle of locality by providing a small, fast memory between the processor and main memory.
15.

In cache memory design, ____________ size refers to the unit of data exchanged between cache and main memory
16.

True or False:The primary problem with programmed I/O is that the processor must wait for the I/O module to become ready and must repeatedly interrogate the status of the I/O module while waiting.
- A.
  
  True
- B.
  
  False
17.

The general role of an operating system is to:
- A.
  
  Act as an interface between various computers
- B.
  
  Provide a set of services to system users
- C.
  
  Manage files for application programs
- D.
  
  All of the above
- E.
  
  None of the above
18.

The four main structural elements of a computer system are:
- A.
  
  Processor, Registers, I/O Modules & Main Memory
- B.
  
  Processor, Main Memory, I/O Modules & System Bus
- C.
  
  Processor, Registers, Main Memory & System Bus
- D.
  
  All of the above
- E.
  
  None of the above
19.

The two basic types of processor registers are:
- A.
  
  Control and Status registers
- B.
  
  User-visible and user-invisible registers
- C.
  
  A and B only
- D.
  
  User-visible and Control/Status registers
- E.
  
  None of the above
20.
1. Address registers may contain:
- A.
  
  Memory addresses of instructions
- B.
  
  Memory addresses of data
- C.
  
  Partial memory addresses
- D.
  
  All of the above
21.

A Control/Status register that contains the address of the next instruction to be fetched is called the:
- A.
  
  Instruction Register (IR)
- B.
  
  Program Status Word (PSW)
- C.
  
  Central Processing Unit (CPU)
- D.
  
  Program Counter (PC)
- E.
  
  All of the above
22.

The two basic steps used by the processor in instruction processing are:
- A.
  
  Fetch and Execute cycles
- B.
  
  Fetch and Instruction cycles
- C.
  
  Instruction and Execute cycles
- D.
  
  None of the above
23.

A fetched instruction is normally loaded into the:
- A.
  
  Accumulator (AC)
- B.
  
  Program Counter (PC)
- C.
  
  Instruction Register (IR)
- D.
  
  None of the above
24.

A common class of interrupts is:
- A.
  
  Program
- B.
  
  Timer
- C.
  
  I/O
- D.
  
  All of the above
- E.
  
  MMR
25.

When an external device becomes ready to be serviced by the processor, the device sends this type of signal to the processor:
- A.
  
  Halt signal
- B.
  
  Handler signal
- C.
  
  None of the above
- D.
  
  Interrupt signal