MA QUIZ

Which term represents a group of 4 bits.

• word

• byte

• double word

• nibble

Intel 4004 is a ____ bit processor

• 4

• 8

• 16

• 32

The 80386 provides____level protection.

• 1

• 2

• 3

• 4

_____ flag if set allows one system task to involve another task.

• NT

• CF

• IOPL

• OF

Which instruction adds 1 to the destination operand.

• DEC

• SUB

• INC

• XCHG

Complement instruction if JZ is ______

• JE

• JL

• JNE

• JB

On DIV operation on word, quotient is stored in ____ of accumulator.

• higher byte

• lower byte

• upper nibble

• lower nibble

Which instruction rotates all the bits in specified word or byte in same number of bit positions to right?

• RCR

• SHLD

• SHL

• SHR

Either of the following flags when set will result in control jump for JBE.

• CF,SF

• ZF,SF

• CF,ZF

• CF,OF

The AAA instruction works only on _____register.

• BL

• AH

• AL

• BH