CS609 Midterm Past Paper

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Practice Quiz from CS609 Midterm Past Paper

This quiz will evaluate your preparation for the CS609 midterm examination and it is based on the past papers of CS609. The purpose of this quiz is to evaluate your performance in this subject. If you can pass this quiz, then there is a great chance that you can secure good marks in your exams.

Created on May 18, 2022 By

faisal_faisi

CS609 lecture wise midterm quiz (practice)

Welcome to CS609 Midterm Online Practice Quiz.

You can check your preparation of CS609 for your Exams here.

1 / 30

_______ is LED control byte?

0xFD

0xED

0xFF

0xEE

2 / 30

The keyboard device writes a code 0xFA on the port 60H to indicate that the _______?

Input buffer is full

Byte has been received properly

Output buffer is full

None of the given

3 / 30

Bit number _____ of port 64H Status register used for input buffer full?

4 / 30

The status register _____ is the main control register?

5 / 30

Interrupt ______ is used to get or set the time?

0AH

1AH

2AH

3AH

6 / 30

Only ________ ports are important from programming point of view?

70 and 71H

71 and 72H

70 and 72H

72 and 73H

7 / 30

The BIOS interrupt 0x1AH can be used to configure real time clock?

True

False

8 / 30

———— whenever receive indicates the start of communication ……….. whenever receive indicates the end of communication?

XON\XOFF

XOFF\XON

XON\YOFF

YON\XOFF

9 / 30

The ________function initialize the COM port whose number is passed as parameter using BIOS services.?

Initializecom()

Initialize()

Recievechar()

None of these option

10 / 30

Int 14H____________ can be used to send a byte?

Service#0

Service#1

Service#2

None of the given option

11 / 30

_________ is used to identify the cause of interrupt?

Interrupt ID Register

PC Register

AC Register

None of All These

12 / 30

The built in mechanism within the UART for error detection is_____________?

hamming code

parity

CRC16 (cyclic redundancy check 16 bit )

CRC32 (cyclic redundancy check 32 bit )

13 / 30

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

14 / 30

UART stands for_______?

Universal Asynchronous Receiver Transmitter

Universal Adjustment and Realigning Tool

Unconventional Assisted Recovery Team

None of these

15 / 30

We have set the bit No. 7 of IMR(Interrupt Mask Register) to unmask the Interrupt so that interrupt _____ can occur at ____ line?

0xf ,IRQ 7

0xa, IRQ 6

0x8, IRQ 5

0x6, IRQ 2

16 / 30

PPI is used to perform parallel communication?

True

False

17 / 30

Int ________ is used to control the printer via the BIOS?

17H

18H

20H

21H

18 / 30

Command register is an _____ bit register?

19 / 30

Tail of keyboard should get to get the start of buffer?

True

False

20 / 30

In IRQ2 and IRQ3 which one has the highest priority?

Can’t be determined

Both have same priority

IRQ3

IRQ2

21 / 30

A single interrupt controller can arbitrate among ____ different devices?

22 / 30

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

True

False

23 / 30

The service _________ is called the keyboard hook service?

15H/2FH

15H/4FH

15H/FFH

24 / 30

Maximum number of interrupts in a standard PC is?

128

256

512

25 / 30

Standard PC operates in two modes in terms of memory which are?

Real mode and Extended Mode

Base mode and Memory Mode

Real mode and protected mode

None of the given

26 / 30

It is possible to perform I/O operations from three different methods?

True

False

27 / 30

Each paragraph in keep function is ____ bytes in size?

28 / 30

Timer interrupt occurs _______ times every second by means of hardware?

18.2

16.2

15.2

14.2

29 / 30

The service number is usually placed in the ________ register?

30 / 30

Usually interrupt procedures are reentrant procedures especially those interrupt procedure compiled using C language compiler are reentrant?

True

False

Your score is

The average score is 36%

Note before downloading CS609 midterm past paper

One thing to note dear fellows that you must don’t rely on these papers only. They can be a source of help but not an ultimate solution. If you want to get good marks in your exams you are advised to go through all of your handouts and must watch all of the video lectures.

Golden rules for good marks in VU Exams.

As per my experience, I have developed some golden rules for getting good marks in Virtual University Exams based on experience. I got 3.96 CGPA by following these rules.So here they are:

Never miss your Quiz, Assignment, or GDB.
Always try to do your Assignment on your own.
Try your best to finish your video lectures 10 days before exams.
Try your best to read your handouts twice before exams.
Read forward attempt backward.
Never schedule more than one paper on the same day.
Your most difficult paper should have a gap of 1 or more days.
Toughest paper must be scheduled first.
Read questions forward and attempt backward.
Don’t waste your time during a paper on illegal activities.

You can also download the Latest VU Handouts

To download the CS609 midterm past paper click here.

CS609 Midterm Past Paper online Practice Quiz

CS609 Midterm Past Paper

Practice Quiz from CS609 Midterm Past Paper

Note before downloading CS609 midterm past paper

Golden rules for good marks in VU Exams.

As per my experience, I have developed some golden rules for getting good marks in Virtual University Exams based on experience. I got 3.96 CGPA by following these rules.So here they are:

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