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This section includes 950 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.
901. |
The addressing mode, where you directly specify the operand value is |
A. | immediate |
B. | direct |
C. | definite |
D. | relative |
Answer» B. direct | |
902. |
The addressing mode which makes use of in-direction pointers is |
A. | indirect addressing mode |
B. | index addressing mode |
C. | relative addressing mode |
D. | offset addressing mode |
Answer» B. index addressing mode | |
903. |
The addressing mode/s, which uses the PC instead of a general purpose register is |
A. | indexed with offset |
B. | relative |
C. | direct |
D. | both indexed with offset and direct |
Answer» C. direct | |
904. |
The instruction, Add #45,R1 does |
A. | adds the value of 45 to the address of r1 and stores 45 in that address |
B. | adds 45 to the value of r1 and stores it in r1 |
C. | finds the memory location 45 and adds that content to that of r1 |
D. | none of the mentioned |
Answer» C. finds the memory location 45 and adds that content to that of r1 | |
905. |
As of 2000, the reference system to find the SPEC rating are built with            Processor. |
A. | intel atom sparc 300mhz |
B. | ultra sparc -iii 300mhz |
C. | amd neutrino series |
D. | asus a series 450 mhz |
Answer» C. amd neutrino series | |
906. |
In the case of, Zero-address instruction method the operands are stored in |
A. | registers |
B. | accumulators |
C. | push down stack |
D. | cache |
Answer» D. cache | |
907. |
CISC stands for |
A. | complete instruction sequential compilation |
B. | computer integrated sequential compiler |
C. | complex instruction set computer |
D. | complex instruction sequential compilation |
Answer» D. complex instruction sequential compilation | |
908. |
If the instruction, Add R1, R2, R3 is executed in a system that is pipe-lined, then the value of S is (Where S is a term of the Basic performance equation)? |
A. | 3 |
B. | ~2 |
C. | ~1 |
D. | 6 |
Answer» D. 6 | |
909. |
If a processor clock is rated as 1250 million cycles per second, then its clock period is |
A. | 1.9 * 10-10 sec |
B. | 1.6 * 10-9 sec |
C. | 1.25 * 10-10 sec |
D. | 8 * 10-10 sec |
Answer» E. | |
910. |
An optimizing Compiler does |
A. | better compilation of the given piece of code |
B. | takes advantage of the type of processor and reduces its process time |
C. | does better memory management |
D. | none of the mentioned |
Answer» C. does better memory management | |
911. |
As of 2000, the reference system to find the performance of a system is |
A. | ultra sparc 10 |
B. | sun sparc |
C. | sun ii |
D. | none of the mentioned |
Answer» B. sun sparc | |
912. |
SPEC stands for |
A. | standard performance evaluation code |
B. | system processing enhancing code |
C. | system performance evaluation corporation |
D. | standard processing enhancement corporation |
Answer» D. standard processing enhancement corporation | |
913. |
The clock rate of the processor can be improved by |
A. | improving the ic technology of the logic circuits |
B. | reducing the amount of processing done in one step |
C. | by using the overclocking method |
D. | all of the mentioned |
Answer» E. | |
914. |
A processor performing fetch or decoding of different instruction during the execution of another instruction is called |
A. | super-scaling |
B. | pipe-lining |
C. | parallel computation |
D. | none of the mentioned |
Answer» C. parallel computation | |
915. |
Two processors A and B have clock frequencies of 700 Mhz and 900 Mhz respectively. Suppose A can execute an instruction with an average of 3 steps and B can execute with an average of 5 steps. For the execution of the same instruction which processor is faster? |
A. | a |
B. | b |
C. | both take the same time |
D. | insufficient information |
Answer» B. b | |
916. |
During the execution of the instructions, a copy of the instructions is placed in the |
A. | register |
B. | ram |
C. | system heap |
D. | cache |
Answer» E. | |
917. |
The ISA standard Buses are used to connect |
A. | ram and processor |
B. | gpu and processor |
C. | harddisk and processor |
D. | cd/dvd drives and processor |
Answer» D. cd/dvd drives and processor | |
918. |
The main advantage of multiple bus organisation over a single bus is |
A. | reduction in the number of cycles for execution |
B. | increase in size of the registers |
C. | better connectivity |
D. | none of the mentioned |
Answer» B. increase in size of the registers | |
919. |
In multiple Bus organisation, the registers are collectively placed and referred as |
A. | set registers |
B. | register file |
C. | register block |
D. | map registers |
Answer» C. register block | |
920. |
           register Connected to the Processor bus is a single-way transfer capable. |
A. | pc |
B. | ir |
C. | temp |
D. | z |
Answer» E. | |
921. |
ANSI stands for |
A. | american national standards institute |
B. | american national standard interface |
C. | american network standard interfacing |
D. | american network security interrupt |
Answer» B. american national standard interface | |
922. |
The bus used to connect the monitor to the CPU is |
A. | pci bus |
B. | scsi bus |
C. | memory bus |
D. | rambus |
Answer» C. memory bus | |
923. |
IBM developed a bus standard for their line of computers ‘PC AT’ called |
A. | ib bus |
B. | m-bus |
C. | isa |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
924. |
To extend the connectivity of the processor bus we use |
A. | pci bus |
B. | scsi bus |
C. | controllers |
D. | multiple bus |
Answer» B. scsi bus | |
925. |
The main virtue for using single Bus structure is |
A. | fast data transfers |
B. | cost effective connectivity and speed |
C. | cost effective connectivity and ease of attaching peripheral devices |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
926. |
                is used to store data in registers. |
A. | d flip flop |
B. | jk flip flop |
C. | rs flip flop |
D. | none of the mentioned |
Answer» B. jk flip flop | |
927. |
              are used to overcome the difference in data transfer speeds of various devices. |
A. | speed enhancing circuitory |
B. | bridge circuits |
C. | multiple buses |
D. | buffer registers |
Answer» E. | |
928. |
The registers, ALU and the interconnection between them are collectively called as |
A. | process route |
B. | information trail |
C. | information path |
D. | data path |
Answer» E. | |
929. |
              is used to choose between incrementing the PC or performing ALU operations. |
A. | conditional codes |
B. | multiplexer |
C. | control unit |
D. | none of the mentioned |
Answer» C. control unit | |
930. |
The internal components of the processor are connected by |
A. | processor intra-connectivity circuitry |
B. | processor bus |
C. | memory bus |
D. | rambus |
Answer» C. memory bus | |
931. |
ISP stands for |
A. | instruction set processor |
B. | information standard processing |
C. | interchange standard protocol |
D. | interrupt service procedure |
Answer» B. information standard processing | |
932. |
Which of the register/s of the processor is/are connected to Memory Bus? |
A. | pc |
B. | mar |
C. | ir |
D. | both pc and mar |
Answer» C. ir | |
933. |
Which registers can interact with the secondary storage? |
A. | mar |
B. | pc |
C. | ir |
D. | r0 |
Answer» B. pc | |
934. |
During the execution of a program which gets initialized first? |
A. | mdr |
B. | ir |
C. | pc |
D. | mar |
Answer» D. mar | |
935. |
The decoded instruction is stored in |
A. | ir |
B. | pc |
C. | registers |
D. | mdr |
Answer» B. pc | |
936. |
              is generally used to increase the apparent size of physical memory. |
A. | secondary memory |
B. | virtual memory |
C. | hard-disk |
D. | disks |
Answer» C. hard-disk | |
937. |
MFC stands for |
A. | memory format caches |
B. | memory function complete |
C. | memory find command |
D. | mass format command |
Answer» C. memory find command | |
938. |
To reduce the memory access time we generally make use of |
A. | heaps |
B. | higher capacity ram’s |
C. | sdram’s |
D. | cache’s |
Answer» E. | |
939. |
The time delay between two successive initiations of memory operation |
A. | memory access time |
B. | memory search time |
C. | memory cycle time |
D. | instruction delay |
Answer» D. instruction delay | |
940. |
The Input devices can send information to the processor. |
A. | when the sin status flag is set |
B. | when the data arrives regardless of the sin flag |
C. | neither of the cases |
D. | either of the cases |
Answer» B. when the data arrives regardless of the sin flag | |
941. |
The I/O interface required to connect the I/O device to the bus consists of |
A. | address decoder and registers |
B. | control circuits |
C. | address decoder, registers and control circuits |
D. | only control circuits |
Answer» D. only control circuits | |
942. |
              bus structure is usually used to connect I/O devices. |
A. | single bus |
B. | multiple bus |
C. | star bus |
D. | rambus |
Answer» B. multiple bus | |
943. |
              are numbers and encoded characters, generally used as operands. |
A. | input |
B. | data |
C. | information |
D. | stored values |
Answer» C. information | |
944. |
The control unit controls other units by generating |
A. | control signals |
B. | timing signals |
C. | transfer signals |
D. | command signals |
Answer» C. transfer signals | |
945. |
The ALU makes use of                 to store the intermediate results. |
A. | accumulators |
B. | registers |
C. | heap |
D. | stack |
Answer» B. registers | |
946. |
The small extremely fast, RAM’s are called as |
A. | cache |
B. | heaps |
C. | accumulators |
D. | stacks |
Answer» B. heaps | |
947. |
Which memory device is generally made of semiconductors? |
A. | ram |
B. | hard-disk |
C. | floppy disk |
D. | cd disk |
Answer» B. hard-disk | |
948. |
The 8-bit encoding format used to store data in a computer is |
A. | ascii |
B. | ebcdic |
C. | anci |
D. | uscii |
Answer» C. anci | |
949. |
The               format is usually used to store data. |
A. | bcd |
B. | decimal |
C. | hexadecimal |
D. | octal |
Answer» B. decimal | |
950. |
A source program is usually in |
A. | assembly language |
B. | machine level language |
C. | high-level language |
D. | natural language |
Answer» D. natural language | |