Sahyog College of Management Studies

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Student Name *

Class *

FY BCA

Required

1. These devices provide a means of communication between a computer and outer world. *

1 point

a) I/O

b) Storage

c) Compact

d) Drivers

What does GUI stand for? *

1 point

a) Graphical User Instruction

b) Ground User Interface

c) General User Instruction

d) Graphical User Interface

Which of the following is not a point-and-draw device? *

1 point

a) Keypad

b) Trackball

c) Touch screen

d) Mouse

A device used for video games, flight simulators, training simulators and for controlling industrial robots. *

1 point

a) Mouse

b) Light pen

c) Joystick

d) Keyboard

I/O interrupt-driven is more efficient than *

1 point

I/O Modules

I/O Devices

Programmed I/O

CPU

Direct memory access is more efficient to move *

1 point

Less Data

Large Data

Restrict data

Volatile data

Which communication technique offer higher speed of data transfer *

1 point

Programmed i/o

Interrupt – driven i/o

Direct memory access

None

Which one of the following is the address generated by CPU? *

1 point

a) physical address

b) absolute address

c) logical address

d) none of the mentioned

Run time mapping from virtual to physical address is done by ____________ *

1 point

a) Memory management unit

b) CPU

c) PCI

d) None of the mentioned

The address loaded into the memory address register of the memory is referred to as ____________ *

1 point

a) Physical address

b) Logical address

c) Neither physical nor logical

d) None of the mentioned

The run time mapping from virtual to physical addresses is done by a hardware device called the ____________ *

1 point

a) Virtual to physical mapper

b) Memory management unit

c) Memory mapping unit

d) None of the mentioned

The size of a process is limited to the size of ____________ *

1 point

a) physical memory

b) external storage

c) secondary storage

d) none of the mentioned

Swapping requires a ________ *

1 point

a) motherboard

b) keyboard

c) monitor

d) backing store

The _________ time in a swap out of a running process and swap in of a new process into the memory is very high. *

1 point

a) context – switch

b) waiting

c) execution

d) all of the mentioned

15. The linker? *

1 point

a)is same as loader

b)is required to create load module

c)is always used before program is executed

d) none

16. Memory allocation involves which of the following task *

1 point

Determine amount of memory required

Use an appropriate memory allocation

Determine appropriate memory mapping

All of above

17.In resource allocation denial, a ……………………….. is one in which there is at least one sequence that does not result in a deadlock. *

1 point

Safe state

Unsafe state

Safe allocation

Unsafe allocation

18.Semaphore is a/an _______ to solve the critical section problem. *

1 point

Hardware for a system

Software for a system

Integer variable

None of above

19.The two atomic operations permissible on semaphores are : *

1 point

Wait, signal

Wait, stop

Wait, hold

Stop, signal

20.The main disadvantage of spinlocks is that *

1 point

They are not sufficient for many process

They require busy waiting

They are unreliable sometime

All of above

21.A semaphore is *

1 point

Is a binary mutex

Can be accessed only by one process

Can be accessed by multiple process

None of the mentioned

22.These devices provide a means of communication between a computer and outer world. *

1 point

a) I/O

b) Storage

c) Compact

d) Drivers

23.When was the first OS developed? *

1 point

1948

1949

1950

1951

24.Which of the following is not a point-and-draw device? *

1 point

a) Keypad

b) Trackball

c) Touch screen

d) Mouse

25.A device used for video games, flight simulators, training simulators and for controlling industrial robots. *

1 point

a) Mouse

b) Light pen

c) Joystick

d) Keyboard

26.I/O interrupt-driven is more efficient than *

1 point

I/O Modules

I/O Devices

Programmed I/O

CPU

27.Direct memory access is more efficient to move *

1 point

Less Data

Large Data

Restrict data

Volatile data

28.Which communication technique offer higher speed of data transfer *

1 point

Programmed i/o

Interrupt – driven i/o

Direct memory access

None

29.Which one of the following is the address generated by CPU? *

1 point

a) physical address

b) absolute address

c) logical address

d) none of the mentioned

30.Run time mapping from virtual to physical address is done by ____________ *

1 point

a) Memory management unit

b) CPU

c) PCI

d) None of the mentioned

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