Computer Organization MCQs Test 03 Online Preparation Shani Malik — April 20, 2018 in Computer Science Test • add comment Computer Organization MCQs Test 03 Online Preparation 1. Microprocessor 8085 can address location up to ?A. 64K B. 1MC. 128K D. 32K Loading... 2. In immediate addressing the operand is placed ?A. in memory B. after OP code in the instruction C. in the CPU register D. in stack Loading... 3. A micro program is sequencer perform the operation ?A. write B. read C. read and executeD. execute Loading... 4. When the RET instruction at the end of subroutine is executed ?A. two data bytes stored in the top two locations of the stack are transferred to the program counter B. the information where the stack is initialized is transferred to the stack pointer C. two data bytes stored in the top two locations of the stack are transferred to the stack pointerD. the memory address of the RET instruction is transferred to the program counter Loading... 5. A computer program that converts an entire program into machine language at one time is called a/an ?A. interpreter B. compiler C. simulator D. commander Loading... 6. How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?A. 12 B. 10 C. 8 D. 11 Loading... 7. The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?A. microprocessor B. mono chip C. control unitD. ALU Loading... 8. The ascending order or a data Hierarchy is ?A. bit - bytes - record - field - file - database B. bit - bytes - fields - record - file - database C. bytes -bit - record - field - file - databaseD. bytes - bit- field - record - file - database Loading... 9. A collection of 8 bits is called ?A. KBsB. word C. byte D. record Loading... 10. Interrupts which are initiated by an I/O drive are ?A. software B. all of above C. external D. internal Loading... Loading...
