Question 1

1. Another word for the CPU is ........................

   		1) Executer
   		2) Microprocessor
   		3) Microchip
   		4) Decoder

Question 2

1. How many bits is a byte?

   		1) 4
   		2) 8
   		3) 16
   		4) 32

Question 3

1. In which cycle the memory is read and the contents of memory at the address contained in the PC register are loaded into into current Instruction register .

   		1)Execution Cycle
   		2)Memory Cycle
   		3)Fetch Cycle
   		4)Decode Cycle

Question 4

1. Which types of programmers should be aware of instruction set architecture.

   		1)Application Programmer
   		2)System Programmer
   		3)a High-level-language (HLL) Programmers
   		4)None of them

Question 5

1. The part of machine level instruction, which tells the central processor what has to be done, is

   		1) Operation code
   		2) Address
   		3) Locator
   		4) Flip-Flop

Question 6

1. A system program that combines the separately compiled modules of a program into a form suitable for execution

   		1) assembler
   		2) linking loader
   		3) cross compiler
   		4) load and go

Question 7

1. Instruction for computer should specify

   		1)What operation to be performed
   		2)Where to fetch the operands
   		3)Store result address
   		4)Address of instruction to be fetched
   		5)All of the above
   		6)Only 1,2,3

Question 8

1. What are the basic components in Microprocessor

   		1)Address lines
   		2)Data lines
   		3) Integrated Circuits (IC) chips for processing data
   		4)All of the above

Question 9

1. Assembly language is a high level language

   True

   False

Question 10

1. Assembly language is another name for machine code.

   True

   False

Question 11

1. Different CPUs require different assemblers.

   True

   False

Question 12

1. What is Assembly code?

   		Another name for Pseudocode
   		A programming language that uses mnemonic codes
   		A program that joins pieces of code together
   		Another name for machine code

Question 13

1. What translates assembly code into machine code?compiler

   		Assembler
   		linker
   		loader
   		interpreter

Question 14

1. Each assembly instruction usually has an address or data called

   		anopcode
   		operand
   		mnemonic
   		instruction set

Question 15

1. Direct addressing means:

   		The number following is the actual data
   		The number following is the memory address of the actual data

Question 16

1. Which of the following is correct about assembly languages?

   		It is more difficult to write in an assembly language than machine language
   		They run slower than machine language
   		Assembly language is one step up from machine language
   		None

Question 17

1. Assembly langauge is written using...

   		Binary/hexadecimal
   		English-like key words
   		Plain English
   		Abbreviated mnemonic keywords

Question 18

1. The register which holds the information about the nature of results of arithmetic and logic operations is called as

   		Condition code register
   		Accumulator
   		Flag register
   		Process status register

Question 19

1. Which of the following is a 16-bit register?

   		AL
   		AH
   		EAX
   		AX

Question 20

1. _______ register is used as a default counter in case of string and loop instructions.

   		AX
   		BX
   		CX
   		DX

Question 21

1. A nibble corresponds to

   		2 bits
   		4 bits
   		8 bits
   		16 bits

Question 22

1. A stack pointer stores the ____.

   		Address of bottom of stack
   		Address of instruction being executed
   		Address of instruction to be executed
   		Address of top of stack

Question 23

1. The Program Counter (PC) in a microprocessor is used to

   		specify the address of the instruction to be executed
   		specify the address of the instruction currently executing
   		specify the number of instructions executed
   		none of these