Technical Questions

Q:

The coding or scrambling of data so that humans cannot read them, is known as _____.

A) Compression B) Encryption
C) Ergonomics D) Biometrics
 
Answer & Explanation Answer: B) Encryption

Explanation:

The coding or scrambling of data so that humans cannot read them is known as encryption.

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Filed Under: Programming

9 4195
Q:

What is SIM and RIM instructions?

Answer

SIM is Set Interrupt Mask. Used to mask the hardware interrupts.


RIM is Read Interrupt Mask. Used to check whether the interrupt is Masked or not.

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Subject: Hardware

1 4193
Q:

What do you meant by "triple X" in Networks?

Answer

The function of PAD (Packet Assembler Disassembler) is described in a document known as X.3. The standard protocol has been defined between the terminal and the PAD, called X.28; another standard protocol exists between hte PAD and the network, called X.29. Together, these three recommendations are often called "triple X"

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Subject: Networking
Job Role: Network Engineer

2 4126
Q:

Which of the following are goals of OLE DB?

A) Create object interfaces for DBMS functionality pieces only. B) Increase flexibility only.
C) Object interface over any type of data only. D) All of the above as goals of OLE DB.
 
Answer & Explanation Answer: D) All of the above as goals of OLE DB.

Explanation:
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Filed Under: Database

0 4097
Q:

Which among the following are not the children of Swapper or Scheduler?

A) Process Dispatcher B) Vhand
C) Dbflush D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Process Dispatcher,Vhand,Dbflush are the children of Scheduler

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Filed Under: Operating Systems
Exam Prep: GATE

0 4095
Q:

Which layer 4 protocol is used for a Telnet connection?

A) UDP B) IP
C) TCP D) TCP/IP
 
Answer & Explanation Answer: C) TCP

Explanation:

Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.

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0 4072
Q:

Give examples for 8/16/32 bit Microprocessor?

Answer

8-bit processor - 8085/Z80/6800;


16-bit processor - 8086/68000/Z8000;


32-bit processor - 80386/80486

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Subject: Hardware

2 4044
Q:

Which command displays the present workig directory in UNIX?

A) $who B) $pwd
C) $who are you D) None
 
Answer & Explanation Answer: B) $pwd

Explanation:

$pwd - present working directory

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Filed Under: Operating Systems

0 4038