Project Manager Questions


Q:

The computer that process both analog and digital is called

A) Hybrid computer B) Mainframe computer
C) Digital computer D) Analog computer
 
Answer & Explanation Answer: A) Hybrid computer

Explanation:

The computer that process both analog and digital is called Hybrid computer.

Report Error

View Answer Report Error Discuss

6 9689
Q:

In the following pieces of code, B and D will compile without any error. True or false ?

A: StringBuffer sb1 = "abcd";

B: Boolean b = new Boolean("abcd");

C: byte b = 255;

D: int x = 0x1234;

E: float fl = 1.2;

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The code segments B and D will compile without any error. A is not a valid way to construct a StringBuffer, you need to create a StringBuffer object using "new". B is a valid construction of a Boolean (any string other than "true" or "false" to the Boolean constructor will result in a Boolean with a value of "false"). C will fail to compile because the valid range for a byte is -128 to +127 (i.e., 8 bits, signed). D is correct, 0x1234 is the hexadecimal representation in java. E fails to compile because the compiler interprets 1.2 as a double being assigned to a float (down-casting), which is not valid. You either need an explicit cast, as in "(float)1.2" or "1.2f", to indicate a float.

Report Error

View Answer Workspace Report Error Discuss

7 9440
Q:

Which entity owns ITIL now?

Answer

ITIL (Information Technology Infrastructure Library) is owned by Axelos since, 2013.

Report Error

View answer Workspace Report Error Discuss

11 9397
Q:

In 1990 a person is 15 years old. In 2000 that same person is 5 years old. How can this be possible?

Answer

 It can be possible in only B.C. i.e, Before Christ. That was about 2000 years ago.


 Given, 


 In 1990 B.C = 2000 + 1990 = 3990 years ago, a person is 15 years Old  


=> In 1995 B.C = 2000 + 1995 = 3995 years ago, the same person will be 10 years Old 


Therefore, In 2000 B.C = 2000 + 2000 = 4000 years ago, the same person will be 5 years Old.

Report Error

View answer Workspace Report Error Discuss

48 9310
Q:

Expansion cards are inserted into

A) Peripheral Devices B) Pegs
C) Slots D) The back of the computer
 
Answer & Explanation Answer: C) Slots

Explanation:

In computing, the expansion card or board or accessory card is a printed circuit board that can be inserted into an electrical connector or expansion slot, on a computer motherboard, to add functionality to a computer system via the expansion bus.

Report Error

View Answer Report Error Discuss

13 9262
Q:

Computer storage units smallest to largest?

Answer

The smallest unit of data storage in a computer is called Bit (Binary Digit). Half a byte (four bits) is called a Nibble.


 


1 bit (binary digit) = the value of 0 or 1


8 bits = 1 byte


1024 bytes = 1 kilobyte


1024 kilobytes = 1 megabyte


1024 megabytes = 1 gigabyte


1024 gigabytes = 1 terabyte


1024 terabytes = 1 petabyte


 


Hence, Computer storage units smallest to largest i.e, in ascending order is


 1 bit  <  1 byte  <  1 KB  <  1 MB  <  1 GB  <  1TB  <  1 PB.

Report Error

View answer Workspace Report Error Discuss

9 9204
Q:

Which of the following is true about cloud computing?

A) Cloud computing has brought about a drop in hardware and software sales, while augmenting service revenues B) You can access your data from any computer in the world, as long as you have an Internet connection.
C) Both A & B D) It's always going to be less expensive and more secure than local computing.
 
Answer & Explanation Answer: C) Both A & B

Explanation:
Report Error

View Answer Report Error Discuss

2 8822
Q:

Pipe K fills a tank in 30 minutes. Pipe L can fill the same tank 5 times as fast as pipe K. If both the pipes were kept open when the tank is empty, how much time will it take for the tank to overflow ?

A) 3 minutes B) 2 minutes
C) 4 minutes D) 5 minutes
 
Answer & Explanation Answer: D) 5 minutes

Explanation:

Let the total capacity of tank be 90 liters.
Capacity of tank filled in 1 minute by K = 3 liters.
Capacity of tank filled in 1 minute by L = 15 liters.
Therefore, capacity of the tank filled by both K and L in 1 minute = 18 liters.
Hence, time taken by both the pipes to overflow the tank = 90/18 = 5 minutes.

Report Error

View Answer Report Error Discuss

11 8126