Which of the following is not the state of a process?

• A. New
• B. Old
• C. Waiting
• D. Running

What is a Process Control Block?

• A. Process type variable
• B. Is a data structure. it contains information related to a process such as process state, program counter, cpu register, etc. process control block is also known as task control block. ???? enroll for free data structure certification - january 2026
• C. A secondary storage section
• D. A block in memory

The entry of all the PCBs of the current processes is in __________

• A. Process register
• B. Program counter
• C. Process table
• D. Process unit

What is the degree of multiprogramming?

• A. The number of processes executed per unit time
• B. The number of processes in the ready queue
• C. The number of processes in the i/o queue
• D. The number of processes in memory

A single thread of control allows the process to perform __________

• A. Only one task at a time
• B. Multiple tasks at a time
• C. Only two tasks at a time
• D. All of the mentioned

What is the objective of multiprogramming?

• A. Have a process running at all time
• B. Have multiple programs waiting in a queue ready to run
• C. To increase cpu utilization
• D. None of the mentioned

Which methods are commonly used in Server Socket class?

• A. Public output stream get output stream ()
• B. Public socket accept ()
• C. Public synchronized void close ()
• D. Public void connect ()

Which constructor of Datagram Socket class is used to create a datagram socket and binds it with the given Port Number?

• A. Datagram socket(int port)
• B. Datagram socket(int port, int address address)
• C. Datagram socket()
• D. Datagram socket(int address)

The client in socket programming must know which information?

• A. Ip address of server
• B. Port number
• C. Both ip address of server & port number
• D. Only its own ip address

The URL Connection class can be used to read and write data to the specified resource that is referred by the URL.

• A. True
• B. False
• C.
• D.