The control unit of a microprocessor All of these Performs arithmetic / logic / functions stores data in the memory accepts input data from a keyboard None of these TRUE ANSWER : ? YOUR ANSWER : ?
The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do? Activates the output device None of these Monitors the flow of information Control the printer Communicates its results TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is NOT an advantage of open-source operating systems over proprietary versions? Free use and distribution Ability to modify code None of these Availability of technical support Availability of source code TRUE ANSWER : ? YOUR ANSWER : ?
A logic gate is an electronic circuit which makes logic decisions None of these allows electron flow only in one direction alternates between 0 and 1 values works on binary algebra TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not an advantage of magnetic disk storage? All of these Disk storage is less expensive than tape storage None of these The access time of magnetic disk is much less than that of magnetic tape Disk storage is longer lasting than magnetic tape TRUE ANSWER : ? YOUR ANSWER : ?
The process of copying data from a memory location is called Reading Writing Controlling Booting TRUE ANSWER : ? YOUR ANSWER : ?
LISP was developed by Blaise Pascal John Napier Dr. Hollerith John Mc Carthy None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following tasks is not suited for sequential processing by a computer? Processing payroll cheques None of these Accounting for credit card purchases Preparing of mailing labels Inventory control TRUE ANSWER : ? YOUR ANSWER : ?
What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another? Buffer I/O device Concentrator Cache None of these TRUE ANSWER : ? YOUR ANSWER : ?
___ is the high speed memory used in the computer. RAM Cache BIOS Hard Disk TRUE ANSWER : ? YOUR ANSWER : ?