CS609 Final Term Solved MCQs with References by Arslan Arshad Zain

CS609 - System Programing

Final-Term Papers Solved

MCQS with Reference (1 to 45 lectures) by Arslan Arshad (Zain Nasar)

June 21,2016

AKMP01

1. DOS command ________ gives the status of the memory and also points out which memory area occupied by which process.

 mem/d PG # 13

•  mem/e
•  mem/m

2. To store each character in keyboard buffer ____ bytes are required.

 2 PG # 54

•  4
•  6
•  8

3. The interval timer is used to divide an input frequency.

 True PG #68

•  False

4. The printer interface uses the _________.

•  IRQ 6

 IRQ 7 PG # 95

•  IRQ 1
•  None of given options

5. You can send _____ bits in parallel communication between two PC’s at a time.

•  2
•  4
•  6
•  8

6. In UART the line control register signify the ________.

•  Word size and length of stop bits
•  parity check and parity type
•  Control bit

 All of given PG # 114

7. The bit ______ of Line control register in UART, if set indicates that the DLL and DLM will act as the divisor register.

•  1
•  3
•  5

 7 PG # 114

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

 Service # 0 PG #119

•  Service # 1
•  Service # 2
•  Service # 3

9. ______ is used to read time from RTC.

 1A/02H PG # 137

•  1A/03H
•  1A/04H
•  1A/05H

10. The ________ signals are used by various devices to request a DMA operation.

 DREQ PG #186

•  REQ
•  DRE