Computer - Mock Test 83

Question 821

The following device allows the user to add external components to a computer system ?

A) Storage devices B) Keyboards C) Ports/ system boards D) Diskettes

---

No Details

Question 822

Communications device, combines transmissions from several devices into one line is?

A) concentrator B) multiplexer C) modifier D) full-duplex line

---

No Details

Question 823

The hexadecimal number system has a base of?

A) 16 B) 2 C) 4 D) 8

---

No Details

Question 824

Technique of using disk space to make programs believe that the system contains more random access memory (RAM) than is actuaity available is called?

A) Virtual memory B) Secondary Memory C) Primary memory D) None of these

---

No Details

Question 825

EDP is referred to?

A) Electronic Data Processing B) Data processing through equipment that Is predominantly electronic such as digital computer C) Both a & b D) None of these

---

No Details

Question 826

A pictorial representation that uses predefined symbols to describe eilhar the logic of a computer program of the data ftow and processing steps of a system is defined as?

A) Flowchart B) Algorithem C) Program D) None of these

---

No Details

Question 827

An optical Input device that is used to read documents printed in a special type font is known as?

A) Document reader B) Documentation C) Printer D) None of these

---

No Details

Question 828

Constant is a value written into a program instruction?

A) that does not change during the execution of the program B) that can change during the execution of the program C) that can vary during the execution of the program D) none of these

---

No Details

Question 829

The tolal time elapsed between submission of command and data to a computer and getting the result of computation Is the?

A) Access time B) Response time C) Entrance Time D) None of these

---

No Details

Question 830

A storage devices where the access time Is etfectivefy independent of the location of the data is referred as?

A) Direct access B) Secondary storage C) Primary storage D) None of these

---

No Details