Description : Write a program to Print values of variables and their addresses. Note : 1) Variables can be of any data type. 2)Use of & or pointer to display address shall be considered.
Last Answer : #include #include void main() { int a,b; clrscr(); a=5; b=10; printf("\n Value of a=%d",a); printf("\n Address of a=%u",&a); printf("\n Value of b=%d",b); printf("\n Address of b=%u",&b); getch(); }
Description : IPv4 and IPv6 are addresses used to identify computers on the internet. Find the correct statement out of the following: (A) Number of bits required for IPv4 address is more than number of bits required for ... of bits required for IPv6 address. (D) Number of bits required for IPv4 address is 64.
Last Answer : (C) Number of bits required for IPv4 address is less than number of bits required for IPv6 address.
Description : Which of the following is/are restriction(s) in classless addressing ? (A) The number of addresses needs to be a power of 2. (B) The mask needs to be included in the address to define the block. (C) The starting address must be divisible by the number of addresses in the block. (D) All of the above
Last Answer : (D) All of the above
Description : Pointer holds A) Value of variable B) Address of variable C) Value and address of variable D) Always null
Last Answer : B) Address of variable
Description : ………………….. is responsible for converting the higher level protocol addresses (IP addresses) to physical network addresses. A) Address Resolution Protocol (ARP) B) Reverse Address Resolution Protocol (RARP) C) Bootstrap Protocol (BOOTP) D) Internet Control Message Protocol (ICMP)
Last Answer : A) Address Resolution Protocol (ARP)
Description : ........ is responsible for converting the higher level protocol addresses to physical Network Addresses. A) Address Resolution Protocol (ARP) B) Reverse Address Resolution Protocol (RARP) C) Bootstrap Protocol (BOOTP) D) Internet Control Message Protocol (ICMP)
Last Answer : D) Internet Control Message Protocol (ICMP)
Description : The three outputs x1x2x3 from the 8x3 priority encoder are used to provide a vector address of the form 101x1x2x300. What is the second highest priority vector address in hexadecimal if the vector addresses are starting from the one with the highest priority? (A) BC (B) A4 (C) BD (D) AC
Last Answer : Answer: B
Description : Consider an implementation of unsorted single linked list. Suppose it has its representation with a head and a tail pointer (i.e. pointers to the first and last nodes of the linked list). Given the ... the front node of the linked list. (D) Deletion of the last node of the linked list.
Last Answer : (D) Deletion of the last node of the linked list.
Description : A UNIX file system has 1 KB block size and 4-byte disk addresses. What is the maximum file size if the inode contains ten direct block entries, one single indirect block entry, one double indirect block entry and one triple indirect block entry? (A) 30 GB (B) 64 GB (C) 16 GB (D) 1 GB
Last Answer : (C) 16 GB
Description : A unix file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contain 10 direct entries and one single, double and triple indirect entry each? (A) 32 GB (B) 64 GB (C) 16 GB (D) 1 GB
Description : The virtual address generated by a CPU is 32 bits. The Translation Lookaside Buffer (TLB) can hold total 64 page table entries and a 4-way set associative (i.e. with 4- cache lines in the set). The page size is 4 KB. The minimum size of TLB tag is (A) 12 bits (B) 15 bits (C) 16 bits (D) 20 bits
Last Answer : (C) 16 bits Explanation: VirtualAddress = 32 bits PageSize = 4KB = 12 bits therefore : VPNTag = 20 bits, OffsetTag = 12 bits TLBEntryLength = VPNTag = 20 bits TotalTLBEntries = 64, 4-way implies ... therefore : TLBIndex = 4 bits TLBTag = TLBEntryLength - TLBIndex = 20 - 4 = 16 bits
Description : The order of a leaf node in a B+ tree is the maximum number of children it can have. Suppose that block size is 1 kilobytes, the child pointer takes 7 bytes long and search field value takes 14 bytes long. The order of the leaf node is ............ (1) 16 (2) 63 (3) 64 (4) 65
Last Answer : Answer: All
Description : In a classful addressing, the IP addresses with 0 (zero) as network number: (A) refers to the current network (B) refers to broadcast on the local network (C) refers to broadcast on a distant network (D) refers to loopback testing
Last Answer : (A) refers to the current network
Description : The dereferencing operator ……… is used when the object itself is used width in the member pointer. A) ->* B) .* C) Any of the above D) None of the above
Last Answer : B) .*
Description : Match the following a) : : i) Pointer to member declarator b) : :* ii) Pointer to member operator c) ->* iii) Scope resolution operator A) a-ii, b-iii, c-i B) a-iii, b-i, c-ii C) a-i b-ii, c-iii D) a-iii, b-ii, c-i
Last Answer : B) a-iii, b-i, c-ii
Description : Array is A) Primary data type B) Pointer data type C) Heterogeneous data type D) Homogenous data type
Last Answer : D) Homogenous data type
Description : In a queue, the initial values of front pointer f rare pointer r should be ….. and …….. respectively. A) 0 and 1 B) 0 and -1 C) -1 and 0 D) 1 and 0
Last Answer : B) 0 and -1
Description : If the queue is implemented with a linked list, keeping track of a front pointer and a rear pointer, which of these pointers will change during an insertion into a non-empty queue? (A) Neither of ... (B) Only front pointer changes (C) Only rear pointer changes (D) Both of the pointers changes
Last Answer : (C) Only rear pointer changes
Description : What does the following declaration mean ? int (*ptr) [10]; (A) ptr is an array of pointers of 10 integers. (B) ptr is a pointer to an array of 10 integers. (C) ptr is an array of 10 integers. (D) none of the above.
Last Answer : (B) ptr is a pointer to an array of 10 integers.
Description : What does the following expression means ? char *(*(* a[N]) ( )) ( ); (A) a pointer to a function returning array of n pointers to function returning character pointers. (B) a ... to characters (D) an array of n pointers to function returning pointers to functions returning pointers to characters.
Last Answer : Answer: A,B,C,D
Description : State whether true or false. i) A connection oriented protocol can only use unicast addresses. ii) The anycast service is included in IPV6. A) True, True B) True, False
Last Answer : i) A connection oriented protocol can only use unicast addresses.
Description : State the following statement is true or false. i) In class B addresses a total of more than 1 billion addresses can be formed. ii) Class E addresses are reserved for future or experimental use. A) True, False B) True, True C) False, True D) False, False
Last Answer : B) True, True
Description : .......... addresses are reserved for multicasting. A) Class B B) Class C C) Class D D) Class E
Last Answer : C) Class D
Description : Which of the following addresses is used to deliver a message to the correct application program running on a host? (A) Port (B) IP (C) Logical (D) Physical
Last Answer : (A) Port
Description : The process of assigning load addresses to the various parts of the program and adjusting the code and data in the program to reflect the assigned addresses is called .................. (A) Symbol resolution (B) Parsing (C) Assembly (D) Relocation
Last Answer : (D) Relocation
Description : STRIPS addresses the problem of efficiently representing and implementation of a planner. It is not related to which one of the following ? (A) SHAKEY (B) SRI (C) NLP (D) None of these
Last Answer : (C) NLP
Description : A virtual memory has a page size of 1K words. There are eight pages and four blocks. The associative memory page table contains the following entries: Which of the following list of virtual addresses (in ... 1234, 4012, 5000, 6200 (C) 1020, 3012, 6120, 8100 (D) 2021, 4050, 5112, 7100
Last Answer : Answer: C Explanation: The pages which are not in main memory are: 1020 will not cause page fault (1024-2047) 3012 will not cause page fault (3072-4095) 6120 will not cause page fault (4096-5119) 8100 will not cause page fault (6144-7167)
Description : Which of the following conditions does not hold good for a solution to a critical section problem ? (A) No assumptions may be made about speeds or the number of CPUs. (B) No two processes ... critical section may block other processes. (D) Processes do not wait forever to enter its critical section.
Last Answer : (C) Processes running outside its critical section may block other processes.
Description : Match the following. i) Mutual exclusion a) A process may hold allocated resources while waiting assignment. ii) Hold and wait b) No resource can be forcibly removed from a process holding it. iii) No preemption c) Only one process may use ... , ii-c, iii-b C) i-b, ii-c, iii-a D) i-c, ii-a, iii-b
Last Answer : D) i-c, ii-a, iii-b
Description : A direct method of deadlock prevention is to prevent the occurrence of ………….. A) Mutual exclusion B) Hold and wait C) Circular waits D) No preemption
Last Answer : C) Circular waits
Description : The following conditions of policy must be present for a deadlock to be possible. i) Mutual exclusion ii) Hold and wait iii) No preemption iv) Circular wait A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv
Last Answer : D) All i, ii, iii and iv
Description : A direct method of deadlock prevention is to prevent the occurrences of ................... A) Mutual exclusion B) Hold and wait C) Circular waits D) No preemption
Description : What is the output of the following program ? (Assume that the appropriate pre-processor directives are included and there is no syntax error) main() { char S[ ] = "ABCDEFGH"; printf ("%C",* (& ... Base address of S is 1000 */ } (A) ABCDEFGH1000 (B) CDEFGH1000 (C) DDEFGHH1000 (D) DEFGH1000
Last Answer : (D) DEFGH1000
Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer
Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter
Description : If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be A) 216 B) 65,536 C) 64K D) Any of the above
Last Answer : Answer : B
Description : If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be a. 216 b. 65,536 c. 64K d. Any of the above
Last Answer : 65,536
Description : On which factors do the size of block depends in classless addressing? a. Nature & size of an entity b. Number of addresses c. Availability of the address space d. All of the above
Last Answer : a. Nature & size of an entity
Last Answer : b. 65,536
Description : When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non ... , Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine
Last Answer : d. Executable, Stack and Subroutine
Description : Opcode is the machine instruction obtained from decoding instruction stored in. a. Stack pointer b. Address pointer Cc. Instruction register d. Incrementer
Last Answer : Cc. Instruction register
Description : In stack organization address register is known as the: a. Memory stack b. Stack pointer c. Push operation d. Pop operation
Last Answer : b. Stack pointer
Description : The stack pointer is maintained in a : a. Data b. Register c. Address d. None of these
Last Answer : b. Register
Description : When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack
Last Answer : d. stack
Description : A stack pointer is a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b. a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d. a register in which flag bits are stored
Last Answer : a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
Description : The subprogram finish the return instruction recovers the return address from the: a. Queue b. Stack c. Program counter d. Pointer
Last Answer : b. Stack
Description : State and describe use of pointer operator and address operator. Give one example of each.
Last Answer : Pointer operator:- * It is used to declare a pointer variable. Also used as "value at" operator to read value stored inside the address pointed by pointer. Example: int *ptr; Address operator:-& ... address of a variable can be stored in pointer variable. Example: int a,*ptr; ptr=&a;
Description : The paid unregistered article to be transferred to the deposit department at the time of delivery will comprise a) Article to be redirected b) Articles to be deposited c) Articles the ... known/articles with undecipherable and incomplete addresses/articles with fictitious address d) All the above
Last Answer : d) All the above
Description : The combination of ……………. And ………….. is often termed the local address of the local portion of the IP address. A) Network number and host number B) Network number and subnet number C) Subnet number and host number D) All of the above
Last Answer : C) Subnet number and host number
Description : The combination of ........... and ............ is often termed the local address or the local portion of the IP Address. A) Network number and host number B) Network number and subnet number C) Subnet number and host number.
Last Answer : C) Subnet number and host number.