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1. Memory unit that communicates directly with the CPU is called the ............... A) Main memory RISC (Photo credit: Wikipedia ) B) Secondary memory C) Auxiliary memory D) Register 2. CISC stands for ................ A) Common Instruction Set Computers B) Complex Instruction Set Compilers C) Complex Instruction Set Computers D) Compound Instruction Set Computers 3. The communication between central system and the outside environment is done by A) Input-output subsystem B) Control system C) Memory system D) Logic system 4. The register that keeps track of the instructions in the program stored in memory is .. A) Control register B) Program counter C) Status register D) Direct register 5. ................ is a small very speed register file maintained by the instruction fetch segment of the pipeline. A) Branch Target Buffer B) Loop buffer C) Branch loop buffer D) Target register 6. In case of only one memory operand, when a second operand is needed, as in the case of an Add instruct...

1. The computer code for the interchange of information between terminal is .. A) ASCII Example of how to construct a NAND gate from NOR gates (Photo credit: Wikipedia ) B) BCD C) EBCDIC D) All of the above 2. SIMD stands for .... A) Single Instruction Stream Over Multiple Data Streams B) Single Instruction Stream Over Minimum Data Streams C) Single Instruction Stream Over Media Data Streams D) Multiple Instruction Streams and Single Data Stream 3. The NOR gate is complement of .. A) AND gate B) OR gate C) NAND gate D) NOT gate 4. A .............. is a digital circuit that performs the inverse operation of decodes. A) multiplexer B) adder C) subtractor D) encoder 5. Pipelining increases the CPU instruction .......... A) efficiency B) latency C) throughput D) Both a and c 6. The ............... is a program whose function is to start the computer software operating when power is turned on. A) Bootstrap loader B) Multi programming C) Loader D) None of the above 7. .................. i...

1. An exception condition in a computer system caused by an event external to the CPU is called ........ A) Interrupt B) Halt C) Wait D) Process 2. When the CPU detects an interrupt, it then saves its ............. A) Previous State B) Next State C) Current State D) Both A and B English: A photo of three 32-bit PCI slots. (Photo credit: Wikipedia ) 3. A microprogram is sequencer perform the operation... A) read B) write C) read and write D) read and execute 4. A computer program that converts an entire program into machine language at one time is called A) interpreter B) simulator C) compiler D) commander 5. The unit which decodes and translates each instruction and generates the necessary enable signals for ALU and other units is called .. A) arithmetic unit B) logical unit C) control unit D) CPU 6. State whether the following statement is True or False for cache memory. i) Cache memories are high-speed buffers which are inserted between the processors and main memory. ii) They c...

1. The time that elapses between the initiation of an operation and completion of that operation is called..... A) throughput B) memory response time C) memory access time D) execution time 2. Interrupts which are initiated by an instruction are ............ A) internal B) external C) hardware D) software 3. A semiconductor memory constructed using bipolar transistors or MOS transistor stores information in the form of a ...................... A) Flip-flop voltage levels B) bit C) byte D) opcodes values 4. A simple way of performing I/O tasks is to use a method known as ...................... A) program-controlled I/O B) program-controlled input C) program-controlled output D) I/O operation 5. Memory access in RISC architecture is limited to instructions ........ A) CALL and RET B) PUSH and POP C) STA and LDA D) MOV and JMP 6. Striking key stores the corresponding character code in a 8-bit buffer register associated with the keyboard. This register is called as .........................

1. A collection of lines that connects several devices is called .............. A) bus B) peripheral connection wires C) Both a and b D) internal wires 2. A complete microcomputer system consist of ........... A) microprocessor B) memory C) peripheral equipment D) all of the above 3. PC Program Counter is also called ................... A) instruction pointer B) memory pointer C) data counter D) file pointer 4. In a single byte how many bits will be there? A) 8 B) 16 C) 4 D) 32 5. CPU does not perform the operation .................. A) data transfer B) logic operation C) arithmetic operation D) all of the above 6. The access time of memory is ............... the time required for performing any single CPU operation. A) Longer than B) Shorter than C) Negligible than D) Same as 7. Memory address refers to the successive memory words and the machine is called as ............ A) word addressable B) byte addressable C) bit addressable D) Terra byte addressable 8. A microprogram written as...