CS609 Midterm Online Quiz

0%

CS609-Midterm

1 / 50

The ____________ function simply enables the self test facility within the modem control register

2 / 50

Control information in files is maintained using

3 / 50

If printer is _____ then printer sends back the ACK signal to the printer interface

4 / 50

DMA stands for_________

5 / 50

In counter register bit no. 3 changes its value between 0 and 1 with in ____clock cycles

6 / 50

The following command “outportb (0x61,inportb(0x61) | 3);” will ________ .

7 / 50

DCE stands for __________.

8 / 50

________ is a device incorporated into the PC to update time even if the computer is off.

9 / 50

A software interrupt does not require EOI (End of interrupt).

10 / 50

In self test mode the output of the UART is routed to its input

11 / 50

By cascading two DMAs ____ bits can be transferred.

12 / 50

Only ________ ports are important from programming point of view.

13 / 50

Int 14H______ can be used to set the line parameter of the UART or COM port

14 / 50

Int 14H __________ can be used to set the line parameter of the UART or COM port.

15 / 50

In self test mode the output of the UART is routed to its input.

16 / 50

Maximum number of interrupts in a standard PC is

17 / 50

Interrupt _____ is empty; we can use its vector as a flag.

18 / 50

Interrupt service number is usually placed in ____________ register.

19 / 50

By cascading two DMAs ____ bits can be transferred.

20 / 50

The bit ______ of Line control register in UART, if cleared will indicate that DLL is the data register.

21 / 50

The keyboard input character scan code is received at ___ port.

22 / 50

Only ________ ports are important from programming point of view.

23 / 50

NMI Stand for

24 / 50

_________ is used to identify the cause of interrupt.

25 / 50

___________ is used to identify cause of interrupt.

26 / 50

The interval timer can operate in ____modes.

27 / 50

On the execution of IRET instruction, number of bytes popped from stack is

28 / 50

There are two main types of interrupts, namely

29 / 50

The Function of I/O controller is to provide ____________.

30 / 50

The interval timer can operate in _______ modes.

31 / 50

Counter register can be used to divide clock signal.

32 / 50

________means typematic rate will be sent in next byte.

33 / 50

File can be______ viewed as collection of clusters or blocks.

34 / 50

------------ is used to set time from RTC

35 / 50

_____ bit is cleared to indicate the low nibble is being sent.

36 / 50

DSR stands for __________ .

37 / 50

To distinguish 486 with Pentium CPUID Test is used.

38 / 50

Command register is an _____ bit register

39 / 50

The service _________ is called the keyboard hook service.

40 / 50

A single interrupt controller can arbitrate among ____ different devices.

41 / 50

If CPUID instruction is not present then the processor can be a

42 / 50

The microprocessor package has many signals for data. Below are some in Correct priority order (Higher to Lower).

43 / 50

The interval timer can operate in ____modes.

44 / 50

The PPI acts as an interface between the CPU and a parallel ________ .

45 / 50

Which port is known as Data Port______

46 / 50

DTE is ___________

47 / 50

Interrupt ______ is used to get or set the time.

48 / 50

The keyboard makes use of interrupt number _______ for its input operations.

49 / 50

Keyboard uses port ____ as status port.

50 / 50

Maximum number of interrupts in a standard PC is

Your score is

The average score is 0%

0%

Qunoot e Nazilah
Dua e Hajat
4 Qul
6 Kalma
Dua-e-Akasha
Darood Akbar
Surah Fatiha
Dua-e-Ganj Ul Arsh
Dua-e-Jamilah
Ayat-ul-Kursi