Computer Architecture Multiple choice Questions and Answers-Computer Architecture Basics

161.	Two main types of branch instructions are
a.	conditional branch
b.	unconditional branch
c.	logical branch
d.	both a and b

Answer: (d).both a and b

162.	Instructions that are programmed to make decisions are termed as
a.	branch instructions
b.	programmed instructions
c.	logical instructions
d.	arithmetic instructions

Answer: (a).branch instructions

163.	Branch instruction 'JUMP TO SUBORDINATE' is an example of
a.	unconditional branch
b.	arithmetic branch
c.	transferring branch
d.	conditional branch

Answer: (a).unconditional branch

164.	Branch instruction 'JUMP IF ZERO' is an example of
a.	transferring branch
b.	conditional branch
c.	unconditional branch
d.	arithmetic branch

Answer: (b).conditional branch

165.	Branch instruction is also known as
a.	jump instruction
b.	logical instruction
c.	arithmetic instruction
d.	programmed instructions

Answer: (a).jump instruction

166.	Which of the following are examples of input devices?
a.	Visual display unit, dot matrix printer, laser printer
b.	Keyboard, mouse, and optical mark reader
c.	Arithmetic and logic unit, the control unit
d.	RAM, ROM, PROM

Answer: (b).Keyboard, mouse, and optical mark reader

Answer: (b).Belongs to the control bus

168.	…………… is a piece of hardware that executes a set of machine–language instructions.
a.	Controller
b.	Bus
c.	Processor
d.	Motherboard

Answer: (c).Processor

169.	Which of the following affects processing power?
a.	Data bus capacity
b.	Addressing scheme
c.	Clock speed
d.	All of the above

Answer: (d).All of the above

170.	The computer performs all mathematical and logical operations inside it′s
a.	Memory unit
b.	Central processing unit
c.	Output unit
d.	Visual display unit

Answer: (b).Central processing unit