Page-11
Computer Science
151)The highest address in the 48K memory is hexadecimal form is
	BFFFH		BBFFH
	FFBBH		FFFFH
Answer :
152)The highest address in a 48 K memory in decimal form is
	48000		52000
	50016		49151
Answer :
153)RAM memories may be
	static		dynamic
	both		none of them
Answer :
154)A ROM is the simplest kind of memory. It is equivalant to
	a group of registers, each temporarily stores a word		a group of registers, each permanently stores a word
	a group of words		none of them
Answer :
155)The desirable characteristics of a memory unit are
	durabilyty		speed
	compactness		all of these
Answer :
156)Memory consisting of electronic circuits etched into silicon chips, is known as
	semiconductor memory		magnetic memory
	thin film memory		none of these
Answer :
157)Apart from computer memory, memory elements are used in
	osccilator circuits		timing circuit
	sequencial circuit		all of these
Answer :
158)A memory element consists
	no stable state		one stable state
	more than one stable state		less than one stable state
Answer :
159)A binary shift register containing four flip-flops and may have
	4 states		8 states
	16 states		32 states
Answer :
160)A ternary shift register would have
	9 states		16 states
	27 states		81 states
Answer :
161)A form of hardware interlock used in some system to control access to memory that is currently involved in a peripheral transfer is termed as
	memory guard		memory dump
	memory surface		none of these
Answer :
162)A device that stores q stable states is called
	binary		unary
	q-array		none of these
Answer :
163)A memory element is implemented using _____ properties of storage medium
	magnetic		optical
	acoustic		any of these
Answer :
164)In fast computer circuitry, the ________ is the most common type of memory element
	transistor		bipolar transistor
	flip-flop		none of these
Answer :
165)Lowest access time
	Processor register --- row of MOS inverters		Processor register ---- row of ECL flip-flops
	Cache ---- bipolar RAM		Floppy disc
Answer :

This is page:11