Computer Organization MCQs Test 03 Online Preparation

1. A computer program that converts an entire program into machine language at one time is called a/an ?

A. commander

B. simulator

C. interpreter

D. compiler

2. Microprocessor 8085 can address location up to ?

A. 1M

B. 128K

C. 32K

D. 64K

3. Interrupts which are initiated by an I/O drive are ?

A. external

B. all of above

C. internal

D. software

4. A micro program is sequencer perform the operation ?

A. read and execute

B. read

C. execute

D. write

5. A collection of 8 bits is called ?

A. word

B. byte

C. record

D. KBs

6. The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?

A. mono chip

B. ALU

C. control unit

D. microprocessor

7. In immediate addressing the operand is placed ?

A. in stack

B. in memory

C. after OP code in the instruction

D. in the CPU register

8. 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 stack pointer

B. the memory address of the RET instruction is transferred to the program counter

C. two data bytes stored in the top two locations of the stack are transferred to the program counter

D. the information where the stack is initialized is transferred to the stack pointer

9. The ascending order or a data Hierarchy is ?

A. bytes - bit- field - record - file - database

B. bytes -bit - record - field - file - database

C. bit - bytes - record - field - file - database

D. bit - bytes - fields - record - file - database

10. How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?

A. 8

B. 11

C. 10

D. 12

Computer Organization MCQs Test 03 Online Preparation

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