CS609-Midterm
1 / 50
In self test mode the output of the UART is routed to its input
2 / 50
To access the block within cluster using BIOS services the cluster number should be converted into _____.
3 / 50
Following is not a method of I/O
4 / 50
DTE is ____________.
5 / 50
BIOS support _____________UARTS as COM ports.
6 / 50
File system used in CD’s is_______ file system
7 / 50
Total No. of bytes that can be stored in Keyboard Buffer is____.
8 / 50
There are two type of communication synchronous and Anti Synchronous
9 / 50
The service number is usually placed in the ________ register.
10 / 50
The Function of I/O controller is to provide ____________.
11 / 50
________ is a device incorporated into the PC to update time even if the computer is off.
12 / 50
Int 14H __________ can be used to receive a byte.
13 / 50
Which port is known as Data Port______
14 / 50
Timer interrupt occurs _______ times every second by means of hardware.
15 / 50
Interrupt _____ is empty; we can use its vector as a flag.
16 / 50
Int 14H______ can be used to set the line parameter of the UART or COM port
17 / 50
_______ is LED control byte.
18 / 50
19 / 50
The service _________ is called the keyboard hook service.
20 / 50
Interrupt 9 usually reads the _________ from keyboard.
21 / 50
Int 14H __________ can be used to set the line parameter of the UART or COM port.
22 / 50
Interrupt Vector Table (IVT) in short is a _______ bytes sized table.
23 / 50
The bit ______ of Line control register in UART, if cleared will indicate that DLL is the data register.
24 / 50
To set the interrupt vector means is to change the double word sized interrupt vector within the IVT.
25 / 50
The -------- function receive a byte and COM port number is passed as parameter using BIOS service
26 / 50
27 / 50
Counter register can be used to divide clock signal.
28 / 50
The PPI acts as an interface between the CPU and a parallel ________ .
29 / 50
REGS is a Union
30 / 50
Int 14H____________ can be used to send a byte
31 / 50
Standard PC operates in two modes in terms of memory which are
32 / 50
The interval timer can operate in ____modes.
33 / 50
PPI stands for _____________.
34 / 50
In order to produce the sound from PC internal Speaker we have to load the___bit divisor value at the ___port.
35 / 50
Bit number _______ of coprocessor control word is the Interrupt Enable Flag.
36 / 50
BPB stands for _________.
37 / 50
Set the Interrupt vector means to change the double word sized interrupt vector within IVT.
38 / 50
DSR stands for __________ .
39 / 50
Hardware Interrupts are __________.
40 / 50
Keyboard Status Byte is located at the address
41 / 50
At IRQ 7 Interrupt # ___ is used.
42 / 50
The output on the monitor is controlled by a controller called __________within the PC.
43 / 50
_____ bit is cleared to indicate the low nibble is being sent.
44 / 50
If printer is _____ then printer sends back the ACK signal to the printer interface
45 / 50
If CPUID instruction is not present then the processor can be a
46 / 50
__________is used to control the printer via the BIOS
47 / 50
LPTs can be swapped.
48 / 50
The BIOS interrupt ________ can be used to configure RTC.
49 / 50
Maximum number of interrupts in a standard PC is
50 / 50
A software interrupt does not require EOI (End of interrupt).
Your score is
The average score is 0%
Restart quiz
